VULNERABILITY INTELLIGENCE

CVE-2011-0721

CVSS score6.4 MEDIUM
EPSS probability2.31%
CISA KEVNot currently listed
Published2011-02-19
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:P

Description

Multiple CRLF injection vulnerabilities in (1) chfn and (2) chsh in shadow 1:4.1.4 allow local users to add new users or groups to /etc/passwd via the GECOS field.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references