CVE-2021-3309

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.70% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 75.1% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-01-26 20:13Z5 YR AGO

Last updated

2024-08-03 16:53Z2 YR AGO

Reserved

2021-01-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

35a4a8fb5a05dedcbed52c8606cbad7f6ceaa65cfd4e9b7ca6a11b9cc3d636fd

• github.comhttps://github.com/wekan/wekan/issues/3482x_refsource_MISC
• github.comhttps://github.com/wekan/wekan/pull/3483/commits/31f89121fecca5a761b05cc3a26d4f237e90b484x_refsource_MISC
• github.comhttps://github.com/wekan/wekan/releases/tag/v4.87x_refsource_MISC