CVE-2021-38172

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

1.83% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 76.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/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

2022-02-05 17:26Z4 YR AGO

Last updated

2024-08-04 01:37Z2 YR AGO

Reserved

2021-08-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

556f9ab4092b81f15fb64a3fcf361e8e8adc4eb30773d717719d923a2dfde4da

• packages.qa.debian.orghttps://packages.qa.debian.org/p/perm.htmlx_refsource_MISC
• bugs.debian.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993019x_refsource_CONFIRM
• lists.debian.orghttps://lists.debian.org/debian-med/2021/08/msg00016.htmlx_refsource_MISC
• tracker.debian.orghttps://tracker.debian.org/pkg/permx_refsource_MISC
• salsa.debian.orghttps://salsa.debian.org/med-team/perm/-/commits/master/x_refsource_MISC