{"id":"CVE-2011-5124","aliases":["EUVD-2011-5024","GHSA-56f9-5546-c3g4"],"status":"published","title":"Stack-based buffer overflow in the BCAAA component before build 60258, as used by Blue Coat...","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).","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.54648,"percentile":0.99026,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2012-08-26T19:00:00Z","modified":"2026-06-16T23:35:59Z","exploits":[{"source":"exploitdb","id":"EDB-17513","title":"Blue Coat Authentication and Authorization Agent (BCAAA) 5 - Remote Buffer Overflow (Metasploit)","type":"remote","platform":"windows","date":"2011-07-09","verified":true,"url":"https://www.exploit-db.com/exploits/17513"},{"source":"metasploit","id":"exploit/windows/misc/bcaaa_bof","title":"Blue Coat Authentication and Authorization Agent (BCAAA) 5 Buffer Overflow","type":"exploit","platform":"Windows","date":"2011-04-04","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/misc/bcaaa_bof"}],"products":[{"vendor":"bluecoat","product":"proxyone"},{"vendor":"bluecoat","product":"proxysg"}],"references":[{"url":"https://kb.bluecoat.com/index?page=content\u0026id=SA55","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-5124"},{"url":"https://github.com/advisories/GHSA-56f9-5546-c3g4"}],"sources":{"cve":[{"id":"CVE-2011-5124","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).","status":"published","published":"2012-08-26T19:00:00Z","modified":"2024-09-16T16:13:42.584Z","updated_at":"2026-11-02T14:35:36.252742Z"}],"euvd":[{"id":"EUVD-2011-5024","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).","status":"published","published":"2012-08-26T19:00:00Z","modified":"2024-09-16T16:13:42Z","updated_at":"2026-11-03T00:55:53.554412Z"}],"ghsa":[{"id":"GHSA-56f9-5546-c3g4","title":"Stack-based buffer overflow in the BCAAA component before build 60258, as used by Blue Coat...","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).","status":"published","published":"2022-05-17T05:24:19Z","modified":"2023-01-28T05:03:41Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:44:01.600354Z"}],"nvd":[{"id":"CVE-2011-5124","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).","status":"published","published":"2012-08-26T19:55:01.793Z","modified":"2026-06-16T23:35:59.617Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:12.272092Z"}]}}