CVE-2021-3309
HIGHCVSS 8.1/10EPSS 1.70%
Last modified
CVE-2021-3309 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. packages/wekan-ldap/server/ldap.js in Wekan before 4.87 can process connections even though they are not authorized by the Certification Authority trust store,. EPSS estimates a 1.70% chance of exploitation in the next 30 days.
Description
packages/wekan-ldap/server/ldap.js in Wekan before 4.87 can process connections even though they are not authorized by the Certification Authority trust store,
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wekan Project | Wekan | < 4.87 |
References
- https://github.com/wekan/wekan/issues/3482Exploit, Issue Tracking, Third Party Advisory
- https://github.com/wekan/wekan/pull/3483/commits/31f89121fecca5a761b05cc3a26d4f237e90b484Patch, Third Party Advisory
- https://github.com/wekan/wekan/releases/tag/v4.87Release Notes, Third Party Advisory
- https://github.com/wekan/wekan/issues/3482Exploit, Issue Tracking, Third Party Advisory
- https://github.com/wekan/wekan/pull/3483/commits/31f89121fecca5a761b05cc3a26d4f237e90b484Patch, Third Party Advisory
- https://github.com/wekan/wekan/releases/tag/v4.87Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3309?
packages/wekan-ldap/server/ldap.js in Wekan before 4.87 can process connections even though they are not authorized by the Certification Authority trust store,
How severe is CVE-2021-3309?
CVE-2021-3309 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.70% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3309?
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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- CVE-2021-33094Insecure inherited permissions in the installer for the Inte…7.8
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Are you affected by CVE-2021-3309?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST