VULNERABILITY INTELLIGENCE

CVE-2020-17496

CVSS score9.8 CRITICAL

EPSS probability87.48%

CISA KEVKnown exploited vulnerability

Published2020-08-12

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

vBulletin PHP Module Remote Code Execution Vulnerability

Vendor / product: vBulletin / vBulletin

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.

Weakness classification

nvd@nist.gov: CWE-74
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-74

Primary references

cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Technical Description
cve@mitre.org — Patch, Vendor Advisory
cve@mitre.org — Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Technical Description
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource