{"id":"CVE-2011-5227","aliases":["EUVD-2011-5127","GHSA-r9gw-49fr-p9j4"],"status":"published","title":"Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management...","description":"Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management Suite (NMS) before 4.1.0.80 allows remote attackers to execute arbitrary code via a long PRIO field in a message to UDP port 514.","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":"2026-11-07","score":0.76952,"percentile":0.99553,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2012-10-25T17:00:00Z","modified":"2026-06-16T23:36:11Z","exploits":[{"source":"exploitdb","id":"EDB-23887","title":"Enterasys NetSight - 'nssyslogd.exe' Remote Buffer Overflow (Metasploit)","type":"remote","platform":"windows","date":"2013-01-04","verified":true,"url":"https://www.exploit-db.com/exploits/23887"},{"source":"metasploit","id":"exploit/windows/misc/enterasys_netsight_syslog_bof","title":"Enterasys NetSight nssyslogd.exe Buffer Overflow","type":"exploit","platform":"Windows","date":"2011-12-19","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/misc/enterasys_netsight_syslog_bof"}],"products":[{"vendor":"enterasys","product":"netsight"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/71889","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://cp-enterasys.kb.net/utility/downloadArticle.aspx?aid=14206","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://cp-enterasys.kb.net/display/4n/kb/article.aspx?aid=14206\u0026n=3\u0026tab=search\u0026bt=4n\u0026s=","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securitytracker.com/id?1026440","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://secunia.com/advisories/47263","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-11-350/","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-5227"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-11-350"},{"url":"https://github.com/advisories/GHSA-r9gw-49fr-p9j4"}],"sources":{"cve":[{"id":"CVE-2011-5227","description":"Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management Suite (NMS) before 4.1.0.80 allows remote attackers to execute arbitrary code via a long PRIO field in a message to UDP port 514.","status":"published","published":"2012-10-25T17:00:00Z","modified":"2024-08-07T00:30:46.811Z","updated_at":"2026-11-02T14:35:35.912488Z"}],"euvd":[{"id":"EUVD-2011-5127","description":"Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management Suite (NMS) before 4.1.0.80 allows remote attackers to execute arbitrary code via a long PRIO field in a message to UDP port 514.","status":"published","published":"2012-10-25T17:00:00Z","modified":"2024-08-07T00:30:46Z","updated_at":"2026-11-03T01:39:47.222761Z"}],"ghsa":[{"id":"GHSA-r9gw-49fr-p9j4","title":"Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management...","description":"Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management Suite (NMS) before 4.1.0.80 allows remote attackers to execute arbitrary code via a long PRIO field in a message to UDP port 514.","status":"published","published":"2022-05-17T01:50:24Z","modified":"2025-04-11T04:05:27Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:12.54248Z"}],"nvd":[{"id":"CVE-2011-5227","description":"Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management Suite (NMS) before 4.1.0.80 allows remote attackers to execute arbitrary code via a long PRIO field in a message to UDP port 514.","status":"published","published":"2012-10-25T17:55:06.217Z","modified":"2026-06-16T23:36:11.243Z","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":"2026-11-02T14:02:12.639283Z"}]}}