CVE-2021-3336

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

0.79% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 53.7% 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

2021-01-29 04:58Z5 YR AGO

Last updated

2024-08-03 16:53Z2 YR AGO

Reserved

2021-01-28

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

530e63bdf76de435518554c028926a02f37fb9c36e7654c28c8494e9788f0087

• github.comhttps://github.com/wolfSSL/wolfssl/pull/3676x_refsource_MISC
• www.wolfssl.comhttps://www.wolfssl.com/docs/security-vulnerabilitiesx_refsource_CONFIRM