CVE-2010-4345Actively exploitedAdded to KEV 2022-03-25

Exim Privilege Escalation Vulnerability

Exim, Exim

Description

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.

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

High

18.0%

estimated chance of real-world exploitation in the next 30 days, higher than 97.2% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-04-15

CWE-264

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