CVE-2010-4345
HIGHCISA KEVEPSS 97th pctlDescription
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.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 97% of all known CVEs.
Exim Privilege Escalation Vulnerability
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.
Apply updates per vendor instructions.
Remediation due: 2022-04-15
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
- http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html
- http://www.kb.cert.org/vuls/id/758489
- http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format
- http://www.openwall.com/lists/oss-security/2021/05/04/7
- http://www.redhat.com/support/errata/RHSA-2011-0153.html
- http://www.securityfocus.com/archive/1/515172/100/0/threaded
- http://www.securityfocus.com/bid/45341
- http://www.securitytracker.com/id?1024859
- http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/
- http://www.ubuntu.com/usn/USN-1060-1
- http://www.vupen.com/english/advisories/2010/3171
- http://www.vupen.com/english/advisories/2010/3204
- http://www.vupen.com/english/advisories/2011/0135
- http://www.vupen.com/english/advisories/2011/0245
- http://www.vupen.com/english/advisories/2011/0364
- https://bugzilla.redhat.com/show_bug.cgi?id=662012
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.