CVE-2021-33481

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

1.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 68.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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

2021-11-17 00:00Z4 YR AGO

Last updated

2024-08-03 23:50Z2 YR AGO

Reserved

2021-05-20

Assigning CNA

fedora

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

d7ad6a4e49eb3a47d4e4e850e350c0d278a7822c1c5b3a7bd350b69c33c5baca

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1962865
• sourceforge.nethttps://sourceforge.net/p/jocr/bugs/42/
• security.gentoo.orgGLSA-202401-28https://security.gentoo.org/glsa/202401-28vendor-advisory