Vulnerability Monitor

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CVE-2021-29632

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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 1 product from freebsd organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2022-01-18T17:15:08.310

Last Modified

2024-11-21T06:01:32.197

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 12.2 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
Operating System freebsd freebsd 13.0 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For freebsd's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.