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Case File

CVE-2021-33910

MEDIUM · CVSS 5.5 EPSS 8.65% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-20 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-33910
Severity
MEDIUM
CVSS
5.5
EPSS
8.65%

Original NVD Description

basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.

Related CVEs

Other vulnerabilities affecting the same vendor(s)