CVE-2021-3309
CVSS v3
8.1
HIGH
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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,
Technical details
- Published
- 2021-01-26
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,
Is CVE-2021-3309 actively exploited?
Active exploitation of CVE-2021-3309 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-3309?
CVE-2021-3309 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2021-3309 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2021 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).