{"id":"CVE-2010-4345","url":"https://www.cyber-defence.io/tools/cve/CVE-2010-4345","generatedAt":"2026-10-31T23:40:29.570Z","title":"Exim Privilege Escalation Vulnerability","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.","published":"2010-12-14T16:00:04.000Z","lastModified":"2026-06-16T23:24:36.000Z","status":"Analyzed","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-77"],"affected":["exim/exim","opensuse/opensuse","debian/debian linux","canonical/ubuntu linux"],"epss":{"score":0.17965,"percentile":0.97182,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2022-03-25","dueDate":"2022-04-15","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4345"},"exploits":{"count":1,"verified":true,"firstPublished":"2010-12-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":16925,"kind":"exploit","title":"Exim4 < 4.69 - string_format Function Heap Buffer Overflow (Metasploit)","url":"https://www.exploit-db.com/exploits/16925","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/16925.rb","file":"exploits/linux/remote/16925.rb","published":"2010-12-16","added":"2010-12-16","updated":"2011-03-06","author":"Metasploit","type":"remote","platform":"linux","port":null,"verified":true,"codes":["CVE-2010-4345","CVE-2010-4344","OSVDB-69685"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://bugs.exim.org/show_bug.cgi?id=1044","tags":["Issue Tracking","Patch"],"source":"secalert@redhat.com"},{"url":"http://lists.exim.org/lurker/message/20101209.172233.abcba158.en.html","tags":["Mailing List","Patch"],"source":"secalert@redhat.com"},{"url":"http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html","tags":["Mailing List"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2010/12/10/1","tags":["Mailing List"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/42576","tags":["Broken Link","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/42930","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/43128","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/43243","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"http://www.cpanel.net/2010/12/critical-exim-security-update.html","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2010/dsa-2131","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2011/dsa-2154","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html","tags":["Mailing List","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.kb.cert.org/vuls/id/758489","tags":["Third Party Advisory","US Government 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Tracking","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.exim.org/lurker/message/20101209.172233.abcba158.en.html","tags":["Mailing List","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://openwall.com/lists/oss-security/2010/12/10/1","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/42576","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/42930","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/43128","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/43243","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.cpanel.net/2010/12/critical-exim-security-update.html","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2010/dsa-2131","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2011/dsa-2154","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html","tags":["Mailing List","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/758489","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2021/05/04/7","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2011-0153.html","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/515172/100/0/threaded","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/45341","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1024859","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/","tags":["Press/Media Coverage","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1060-1","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2010/3171","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2010/3204","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2011/0135","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2011/0245","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2011/0364","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=662012","tags":["Issue Tracking","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-4345","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2010-4345","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}