{"id":"CVE-2020-17496","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-17496","generatedAt":"2026-10-31T16:15:01.792Z","title":"vBulletin PHP Module Remote Code Execution Vulnerability","description":"vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. NOTE: this issue exists because of an incomplete fix for CVE-2019-16759.","published":"2020-08-12T14:15:13.000Z","lastModified":"2026-06-17T02:59:01.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-74"],"affected":["vbulletin/vbulletin"],"epss":{"score":0.87478,"percentile":0.99756,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2021-11-03","dueDate":"2022-05-03","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-17496"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://cwe.mitre.org/data/definitions/78.html","tags":["Technical Description"],"source":"cve@mitre.org"},{"url":"https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patch","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://seclists.org/fulldisclosure/2020/Aug/5","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cwe.mitre.org/data/definitions/78.html","tags":["Technical Description"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patch","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://seclists.org/fulldisclosure/2020/Aug/5","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17496","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-17496","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."}