CVE-2021-37231

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

0.98% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 62.0% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/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

2021-08-04 00:00Z5 YR AGO

Last updated

2024-08-04 01:16Z2 YR AGO

Reserved

2021-07-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

d8f9ed9eb674a7e3fb4552239437d090c23616e1c26c1f0560361c880a4db89b

• github.comhttps://github.com/wez/atomicparsley/issues/30
• github.comhttps://github.com/wez/atomicparsley/pull/31#issue-687280335
• security.gentoo.orgGLSA-202305-01https://security.gentoo.org/glsa/202305-01vendor-advisory