CVE-2021-3309

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-01-26 · updated 2026-06-17
Weakness: CWE-295

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,

Affected products

WeKan: before 4.87 — fixed in 4.87

How to fix

Upgrade to a fixed version: WeKan 4.87. Check the vendor advisory for mitigations.

References

https://github.com/wekan/wekan/issues/3482
https://github.com/wekan/wekan/pull/3483/commits/31f89121fecca5a761b05cc3a26d4f237e90b484
https://github.com/wekan/wekan/releases/tag/v4.87
https://github.com/wekan/wekan/issues/3482
https://github.com/wekan/wekan/pull/3483/commits/31f89121fecca5a761b05cc3a26d4f237e90b484
https://github.com/wekan/wekan/releases/tag/v4.87

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