What’s Vulnerable › Vulnerabilities

CVE-2010-4345: Exim Privilege Escalation Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-03-25
• EPSS: 18.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2010-12-14 · updated 2026-06-16
• Weakness: CWE-77

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.

Affected products

• Canonical Ubuntu Linux: 6.06, 8.04, 9.10, 10.04, 10.10
• Debian Linux: 5.0
• Exim: through 4.72
• Opensuse: 11.1, 11.2, 11.3

References

• http://bugs.exim.org/show_bug.cgi?id=1044
• http://lists.exim.org/lurker/message/20101209.172233.abcba158.en.html
• http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html
• http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html
• http://openwall.com/lists/oss-security/2010/12/10/1
• http://secunia.com/advisories/42576
• http://secunia.com/advisories/42930
• http://secunia.com/advisories/43128
• http://secunia.com/advisories/43243
• http://www.cpanel.net/2010/12/critical-exim-security-update.html
• http://www.debian.org/security/2010/dsa-2131
• http://www.debian.org/security/2011/dsa-2154

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