# CVE-2021-21507

## Summary

- **CVE ID:** CVE-2021-21507
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-261
- **Published:** Apr 30, 2021
- **Last Modified:** Mar 13, 2026

## Description

Dell EMC Networking X-Series firmware versions prior to 3.0.1.8 and Dell EMC PowerEdge VRTX Switch Module firmware versions prior to 2.0.0.82 contain a Weak Password Encryption Vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability, leading to the disclosure of certain user credentials. The attacker may be able to use the exposed credentials to access the vulnerable system with privileges of the compromised account.

## Affected Products

- Dell — VRTX Switch Modules (unspecified)

## References

- [CNA](https://www.dell.com/support/kbdoc/000185252)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.12%
- **EPSS Percentile:** 30.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._