7.5

CVE-2021-29632: freebsd

CVSS: 7.5v3.1HighModified
Published 18-01-2022Last modified 03-08-2024

Vulnerability summary

CVE-2021-29632 is a high (CVSS 7.5) vulnerability in freebsd. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 57.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.85%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-01-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

In FreeBSD 13.0-STABLE before n247428-9352de39c3dc, 12.2-STABLE before r370674, 13.0-RELEASE before p6, and 12.2-RELEASE before p12, certain conditions involving use of the highlight buffer while text is scrolling on the console, console data may overwrite data structures associated with the system console or other kernel memory.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.85%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.85% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.85%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Freebsd1 product
  • freebsdEOL12.2 | 12.2:beta1-p1 | 12.2:p1 | 12.2:p10 | 12.2:p11 | 12.2:p2 | 12.2:p3 | 12.2:p4 | 12.2:p5 | 12.2:p6 | 12.2:p7 | 12.2:p8 | 12.2:p9 | 13.0 | 13.0:beta1 | 13.0:beta2 | 13.0:beta3 | 13.0:beta3-p1 | 13.0:beta4 | 13.0:p1 | 13.0:p2 | 13.0:p3 | 13.0:p4 | 13.0:p5 | 13.0:rc1 | 13.0:rc2 | 13.0:rc3 | 13.0:rc4 | 13.0:rc5 | 13.0:rc5-p1

1 vendor · 1 product

References

2 links