CVE-2021-26921
MEDIUMCVSS 6.5/10EPSS 1.27%
Last modified
CVE-2021-26921 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In util/session/sessionmanager.go in Argo CD before 1.8.4, tokens continue to work even when the user account is disabled.. EPSS estimates a 1.27% chance of exploitation in the next 30 days.
Description
In util/session/sessionmanager.go in Argo CD before 1.8.4, tokens continue to work even when the user account is disabled.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Argoproj | Argo Cd | < 1.7.12 |
| Argoproj | Argo Cd | >= 1.8.0, < 1.8.4 |
References
- https://github.com/argoproj/argo-cd/commit/f5b0db240b4e3abf18e97f6fd99096b4f9e94dc5Patch, Third Party Advisory
- https://github.com/argoproj/argo-cd/compare/v1.8.3...v1.8.4Patch, Third Party Advisory
- https://github.com/argoproj/argo-cd/security/advisories/GHSA-9h6w-j7w4-jr52Third Party Advisory
- https://github.com/argoproj/argo-cd/commit/f5b0db240b4e3abf18e97f6fd99096b4f9e94dc5Patch, Third Party Advisory
- https://github.com/argoproj/argo-cd/compare/v1.8.3...v1.8.4Patch, Third Party Advisory
- https://github.com/argoproj/argo-cd/security/advisories/GHSA-9h6w-j7w4-jr52Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-26921?
In util/session/sessionmanager.go in Argo CD before 1.8.4, tokens continue to work even when the user account is disabled.
How severe is CVE-2021-26921?
CVE-2021-26921 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.27% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26921?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-26921?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST