# CVE-2026-20332

## Summary

- **CVE ID:** CVE-2026-20332
- **Severity:** CRITICAL
- **CVSS Score:** 9.9 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)
- **CWE:** CWE-284
- **Published:** Sep 16, 2026
- **Last Modified:** Sep 17, 2026

## Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.  

The vulnerabilities tracked by CVE-2026-20332 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

## Affected Products

- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.1)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.1.28)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.2)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.2.3)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.2.7)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.2.11)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.2.13)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.2.14)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.3.3)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.3)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.3.14)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.3.15)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.1.3)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.2)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.3.19)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.3.23)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.2.5)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.2.7)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.9)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.2.8)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.14)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.3)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.18)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.3.39)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.19)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.3.46)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.27)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.3.53)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.3.55)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.38)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.39)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.3.56)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.1)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.42)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.1.5)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.5)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.48)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.8)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.2)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.55)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.22)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.2.10)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.57)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.24)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.2.21)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.61)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.29)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.2.22)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.62)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.34)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.3)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.67)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.70)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.40)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.23.1)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.1.1)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.71)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.3.4)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.47)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.3.7)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.76)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.3.9)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.50)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.1.3)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.3.10)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.1.2)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.52)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.3.13)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.1.6)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.53)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.82)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.2)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.3.16)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.19.1.42)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.57)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.84)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.23.1.3)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.3.20)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.2.4)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.23.1.7)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.4)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.2.9)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.23.1.13)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.4.7)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.2.13)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.66)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.4.10)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.23.1.19)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.85)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.2.14)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.67)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.24.1)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.68)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.23.1.22)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.4.14)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.2.20)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.71)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.4.19)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.23.1.26)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.89)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.2.32)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.76)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.3)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.24.1.5)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.4.22)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.24.1.9)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.4.28)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.3.5)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.16.4.92)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.135)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.23.1.195)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.4.30)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.24.1.155)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.23.1.32)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.24.1.11)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.4.34)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.18.4.82)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.24.10)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.23.1.211)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.20.4.235)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.24.1.221)
- Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software (9.22.3.191)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.0)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.0.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.1.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.2)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.0)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.2.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.3)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.0.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.4)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.5)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.3.0)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.2)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.3.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.3)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.3.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.4)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.6)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.4.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.5)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.3.1.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.0)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.6.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.5.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.6)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.1.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.6.2)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.7)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.5.2)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.3.1.2)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.8)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.6.0)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.2)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.8.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.6.3)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.2.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.9)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.7)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.7.0)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.2.2)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.10)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.6.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.2.3)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.8)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.6.2)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.7.10)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.10.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.8.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.6.2.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.10.2)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.7.10.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.2.4)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.3)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.6.3)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.7.11)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.6.4)
- Cisco — Cisco Secure Firewall Management Center (FMC) (10.0.0)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.4)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.5)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.0.9)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.2.11)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.7.12)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.6.5)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.6)
- Cisco — Cisco Secure Firewall Management Center (FMC) (10.0.1)
- Cisco — Cisco Secure Firewall Management Center (FMC) (7.4.7)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.0.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.1.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.2)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.2.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.3)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.4)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.5)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.3.0)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.3.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.6)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.3.1.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.0)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.6.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.6.2)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.1.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.3.1.2)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.6.0)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.2)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.6.3)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.2.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.7)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.7.0)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.2.2)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.6.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.2.3)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.8)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.6.2)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.7.10)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.7.11)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.8.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.6.2.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.7.10.1)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.2.4)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.3)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.6.4)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (10.0.0)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.4)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.0.9)
- Cisco — Cisco Secure Firewall Threat Defense (FTD) Software (7.4.7)

## References

- [CNA](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-asaftdfmc-uvpPROhN)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._