{"id":"CVE-2016-7955","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-7955","generatedAt":"2026-10-28T19:46:08.989Z","title":"The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has been created, and USM before 5.3.1 allows remote attackers to bypass authentication and consequently obtain sensitive information, modify the application, or…","description":"The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has been created, and USM before 5.3.1 allows remote attackers to bypass authentication and consequently obtain sensitive information, modify the application, or execute arbitrary code as root via an \"AV Report Scheduler\" HTTP User-Agent header.","published":"2017-03-15T16:59:00.000Z","lastModified":"2026-06-17T00:53:50.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-264"],"affected":["alienvault/ossim","alienvault/unified security management"],"epss":{"score":0.06407,"percentile":0.93642,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.05016,"percentile":0.91914},{"date":"2026-09-22","score":0.06407,"percentile":0.93365}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (6.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/archive/1/540224/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-517/","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/540224/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-517/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-7955","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."}