# CVE-2025-13926

## Summary

- **CVE ID:** CVE-2025-13926
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-807
- **Published:** Apr 9, 2026
- **Last Modified:** Apr 10, 2026

## Description

An attacker could use data obtained by sniffing the network traffic to 
forge packets in order to make arbitrary requests to Contemporary 
Controls BASC 20T.

## Affected Products

- Contemporary Controls — BASControl20 (3.1)

## References

- [CNA](https://www.ccontrols.com/support/contacttech.htm)
- [CNA](https://www.cisa.gov/news-events/ics-advisories/icsa-26-099-01)
- [CNA](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-099-01.json)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.44%
- **EPSS Percentile:** 37.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._