What is CVE-2026-20317?

CVE-2026-20317 is a critical-severity vulnerability in Cisco Secure Workload, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-08-19.

How severe is CVE-2026-20317?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Auth bypass in Cisco Secure Workload

CVE-2026-20317

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload 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-2026-20317 are related to improper authentication issues that are grouped under the Common Weakness Enumeration (CWE) CWE-287.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H.

Affected products

Cisco Secure Workload — versions 1.102.21, 1.103.1.12, 2.0.1.34

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

Frequently asked questions

What is CVE-2026-20317?: CVE-2026-20317 is a critical-severity vulnerability in Cisco Secure Workload, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-08-19.
How severe is CVE-2026-20317?: Critical severity. CVSS v3 base score is 10.0 out of 10.