CVE-2020-7373

vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an...

9.8 Critical

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. ALSO NOTE: CVE-2020-7373 is a duplicate of CVE-2020-17496. CVE-2020-17496 is the preferred CVE ID to track this vulnerability.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

45.0%Up 42.7 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2020-7373
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-94
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-7373
Updated: 2026-11-02

EUVDEUVD-2020-28500 No score

Record: EUVD-2020-28500
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mvwh-2m72-5jm7 No score

vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an...

Record: GHSA-mvwh-2m72-5jm7
Weakness: CWE-77
Updated: 2026-11-02

Affected products

vbulletin

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-7373 is a critical vulnerability (CVSS 9.8) in Vbulletin, published October 30, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 45.0%, the 98th percentile. No source names a fixed version.