{"id":"CVE-2011-5124","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-5124","generatedAt":"2026-11-05T08:10:50.659Z","title":"Stack-based buffer overflow in the BCAAA component before build 60258, as used by Blue Coat ProxySG 4.2.3 through 6.1 and ProxyOne, allows remote attackers to execute arbitrary code via a large packet to the synchronization port (16102/tcp).","description":"Stack-based buffer overflow in the BCAAA component before build 60258, as used by Blue Coat ProxySG 4.2.3 through 6.1 and ProxyOne, allows remote attackers to execute arbitrary code via a large packet to the synchronization port (16102/tcp).","published":"2012-08-26T19:55:02.000Z","lastModified":"2026-06-16T23:36:00.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","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":["bluecoat/proxyone","bluecoat/proxysg"],"epss":{"score":0.54648,"percentile":0.99022,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2011-07-09","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":17513,"kind":"exploit","title":"Blue Coat Authentication and Authorization Agent (BCAAA) 5 - Remote Buffer Overflow (Metasploit)","url":"https://www.exploit-db.com/exploits/17513","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/17513.rb","file":"exploits/windows/remote/17513.rb","published":"2011-07-09","added":"2011-07-09","updated":"2011-07-10","author":"Metasploit","type":"remote","platform":"windows","port":null,"verified":true,"codes":["OSVDB-72095","CVE-2011-5124"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":"http://www.exploit-db.combcaaa_5.4.6.1.54128.exe","screenshotUrl":"http://www.exploit-db.com/screenshots/idlt18000/screenshot.png","referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 54.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://kb.bluecoat.com/index?page=content&id=SA55","source":"cve@mitre.org"},{"url":"https://kb.bluecoat.com/index?page=content&id=SA55","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-5124","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."}