{"id":"CVE-2017-12969","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-12969","generatedAt":"2026-10-28T21:54:30.137Z","title":"Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center before 10.1.1 allows remote attackers to cause a denial of service (heap corruption and crash) or execute arbitrary code via a long string to the open…","description":"Buffer overflow in the ViewerCtrlLib.ViewerCtrl ActiveX control in Avaya IP Office Contact Center before 10.1.1 allows remote attackers to cause a denial of service (heap corruption and crash) or execute arbitrary code via a long string to the open method.","published":"2017-11-10T02:29:18.000Z","lastModified":"2026-06-17T01:04:14.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["avaya/ip office contact center"],"epss":{"score":0.10079,"percentile":0.95607,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2017-11-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":43120,"kind":"exploit","title":"Avaya IP Office (IPO) < 10.1 - ActiveX Buffer Overflow","url":"https://www.exploit-db.com/exploits/43120","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/43120.txt","file":"exploits/windows/dos/43120.txt","published":"2017-11-05","added":"2017-11-06","updated":"2017-11-26","author":"hyp3rlinx","type":"dos","platform":"windows","port":null,"verified":false,"codes":["CVE-2017-12969"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 10.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.10079,"from":0.09697,"percentile":0.95418},"summary":"EPSS moved from 9.7% to 10.1% probability of exploitation in the next thirty days."}],"references":[{"url":"http://downloads.avaya.com/css/P8/documents/101044091","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://hyp3rlinx.altervista.org/advisories/AVAYA-OFFICE-IP-%28IPO%29-v9.1.0-10.1-VIEWERCTRL-ACTIVE-X-BUFFER-OVERFLOW-0DAY.txt","source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/144882/Avaya-IP-Office-IPO-10.1-Active-X-Buffer-Overflow.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2017/Nov/17","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/101667","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/43120/","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://downloads.avaya.com/css/P8/documents/101044091","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://hyp3rlinx.altervista.org/advisories/AVAYA-OFFICE-IP-%28IPO%29-v9.1.0-10.1-VIEWERCTRL-ACTIVE-X-BUFFER-OVERFLOW-0DAY.txt","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/144882/Avaya-IP-Office-IPO-10.1-Active-X-Buffer-Overflow.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2017/Nov/17","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/101667","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/43120/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-12969","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."}