CVE-2020-7373

Name: CVE-2020-7373
Creator: NVD / NIST
Published: 2020-10-30T17:15:12.46+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 46.03%

Last modified Jun 17, 2026

CVE-2020-7373 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 46.03% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

46.03%

98.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Vbulletin	Vbulletin	>= 5.5.4, <= 5.6.2

References

https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/Exploit, Third Party Advisory
https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patchPatch, Vendor Advisory
https://github.com/rapid7/metasploit-framework/pull/13970Patch, Third Party Advisory
https://seclists.org/fulldisclosure/2020/Aug/5Exploit, Mailing List, Third Party Advisory
https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/Exploit, Third Party Advisory
https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patchPatch, Vendor Advisory
https://github.com/rapid7/metasploit-framework/pull/13970Patch, Third Party Advisory
https://seclists.org/fulldisclosure/2020/Aug/5Exploit, Mailing List, Third Party Advisory

Timeline

Published: Oct 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7373?

How severe is CVE-2020-7373?

CVE-2020-7373 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 46.03% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7373?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7373?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST