{"id":"CVE-2008-0027","url":"https://www.cyber-defence.io/tools/cve/CVE-2008-0027","generatedAt":"2026-10-27T17:44:37.640Z","title":"Heap-based buffer overflow in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager (CUCM) 4.2 before 4.2(3)SR3 and 4.3 before 4.3(1)SR1, and CallManager 4.0 and 4.1 before 4.1(3)SR5c, allows remote…","description":"Heap-based buffer overflow in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager (CUCM) 4.2 before 4.2(3)SR3 and 4.3 before 4.3(1)SR1, and CallManager 4.0 and 4.1 before 4.1(3)SR5c, allows remote attackers to cause a denial of service or execute arbitrary code via a long request.","published":"2008-01-17T03:00:00.000Z","lastModified":"2026-06-16T22:48:47.000Z","status":"Modified","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"2.0","score":10,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["cisco/unified callmanager","cisco/unified communications manager"],"epss":{"score":0.57108,"percentile":0.99064,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 57.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://dvlabs.tippingpoint.com/advisory/TPTI-08-02","source":"psirt@cisco.com"},{"url":"http://secunia.com/advisories/28530","source":"psirt@cisco.com"},{"url":"http://securityreason.com/securityalert/3551","source":"psirt@cisco.com"},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080932c61.shtml","tags":["Patch"],"source":"psirt@cisco.com"},{"url":"http://www.securityfocus.com/archive/1/486432/100/0/threaded","source":"psirt@cisco.com"},{"url":"http://www.securityfocus.com/bid/27313","source":"psirt@cisco.com"},{"url":"http://www.securitytracker.com/id?1019223","source":"psirt@cisco.com"},{"url":"http://www.vupen.com/english/advisories/2008/0171","source":"psirt@cisco.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/39704","source":"psirt@cisco.com"},{"url":"http://dvlabs.tippingpoint.com/advisory/TPTI-08-02","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/28530","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securityreason.com/securityalert/3551","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080932c61.shtml","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/486432/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/27313","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1019223","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2008/0171","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/39704","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2008-0027","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."}