CVE-2021-3309 Security feature bypass in n/a
Wekan's LDAP module fails to validate server certificates against the trust store, allowing attackers to bypass TLS security checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-3309?
CVE-2021-3309 is a high-severity vulnerability in n/a, published on 26 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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,
Weakness: CWE-295
Which versions are affected by CVE-2021-3309?
It affects 1 product.
Products include Wekan Project Wekan.
How do I fix CVE-2021-3309?
No fix has been published for CVE-2021-3309 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-3309 being exploited?
There is no known exploitation of CVE-2021-3309 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2026-30843 Wekan has Cross-Board IDOR in Custom Fields Update Endpoints
- CVE-2026-30844 Wekan Vulnerable to SSRF through Lack of Validation or Filtering in Attachment URL Loading
- CVE-2026-30847 Wekan Credential Leak via notificationUsers Publication Exposes Password Hashes and Session Tokens
- CVE-2025-65780 Missing authorization in n/a
- CVE-2026-30846 Wekan Exposes All Global Webhook Integrations through globalwebhooks Publication
Sources
Also known as GHSA-pmg3-799q-7mhw.