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[ CVE-2010-4345 · Published 14 Dec 2010 ]

Exim Privilege Escalation Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 18%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-25
  • EPSS: 18% chance of exploitation in the next 30 days (higher than 97% of CVEs)

[ Description ]Official description

Exim 4.72 and earlier allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands, as demonstrated by the spool_directory directive.

CISA: Exim allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Apr 2022): Apply updates per vendor instructions.

[ References ]References