{"id":"CVE-2020-17496","aliases":["EUVD-2020-9444","GHSA-j77p-6wx9-cjqq"],"status":"published","title":"vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an...","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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.87478,"percentile":0.9976,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-74"],"published":"2020-08-12T13:07:58Z","modified":"2026-06-17T02:59:01Z","kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2021-11-03"},{"source":"kev","since":"2021-11-03"}],"exploits":[{"source":"metasploit","id":"exploit/multi/http/vbulletin_widget_template_rce","title":"vBulletin 5.x /ajax/render/widget_tabbedcontainer_tab_panel PHP remote code execution.","type":"exploit","platform":"PHP,Unix,Windows","date":"2020-08-09","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/multi/http/vbulletin_widget_template_rce"},{"source":"pocgithub","id":"ctlyz123/CVE-2020-17496","title":"ctlyz123/CVE-2020-17496","date":"2020-08-20","url":"https://github.com/ctlyz123/CVE-2020-17496"},{"source":"pocgithub","id":"ludy-dev/vBulletin_5.x-tab_panel-RCE","title":"ludy-dev/vBulletin_5.x-tab_panel-RCE","date":"2020-09-03","url":"https://github.com/ludy-dev/vBulletin_5.x-tab_panel-RCE"},{"source":"nuclei","id":"CVE-2020-17496","title":"vBulletin 5.5.4 - 5.6.2- Remote Command Execution","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-17496.yaml"}],"products":[{"vendor":"vbulletin","product":"vbulletin"}],"references":[{"url":"https://cwe.mitre.org/data/definitions/78.html","tags":["x_refsource_MISC","x_transferred","Technical Description"]},{"url":"https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"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":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://seclists.org/fulldisclosure/2020/Aug/5","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17496","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17496"},{"url":"https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail"},{"url":"https://github.com/advisories/GHSA-j77p-6wx9-cjqq"}],"sources":{"cve":[{"id":"CVE-2020-17496","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. 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