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CVE-2019-16759 Details

Description

vBulletin 5.x through 5.5.4 allows remote command execution via the widgetConfig[code] parameter in an ajax/render/widget_php routestring request.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: CISA-ADPCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16759	CISA-ADP	US Government Resource
http://packetstormsecurity.com/files/154623/vBulletin-5.x-0-Day-Pre-Auth-Remote-Command-Execution.html	CVE	ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/154648/vBulletin-5.x-Pre-Auth-Remote-Code-Execution.html	CVE	ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/155633/vBulletin-5.5.4-Remote-Command-Execution.html	CVE	ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/158829/vBulletin-5.x-Remote-Code-Execution.html	CVE	ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/158830/vBulletin-5.x-Remote-Code-Execution.html	CVE	ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/158866/vBulletin-5.x-Remote-Code-Execution.html	CVE	ExploitThird Party AdvisoryVDB Entry
https://arstechnica.com/information-technology/2019/09/public-exploit-code-spawns-mass-attacks-against-high-severity-vbulletin-bug/	CVE	ExploitPress/Media CoverageThird Party Advisory
http://seclists.org/fulldisclosure/2020/Aug/5	CVE	ExploitMailing ListThird Party Advisory
https://seclists.org/fulldisclosure/2019/Sep/31	CVE	ExploitMailing ListThird Party Advisory
https://www.theregister.co.uk/2019/09/24/vbulletin_vbug_zeroday/	CVE	Press/Media CoverageThird Party Advisory
http://packetstormsecurity.com/files/154623/vBulletin-5.x-0-Day-Pre-Auth-Remote-Command-Execution.html	[email protected]	ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/154648/vBulletin-5.x-Pre-Auth-Remote-Code-Execution.html	[email protected]	ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/155633/vBulletin-5.5.4-Remote-Command-Execution.html	[email protected]	ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/158829/vBulletin-5.x-Remote-Code-Execution.html	[email protected]	ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/158830/vBulletin-5.x-Remote-Code-Execution.html	[email protected]	ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/158866/vBulletin-5.x-Remote-Code-Execution.html	[email protected]	ExploitThird Party AdvisoryVDB Entry
https://arstechnica.com/information-technology/2019/09/public-exploit-code-spawns-mass-attacks-against-high-severity-vbulletin-bug/	[email protected]	ExploitPress/Media CoverageThird Party Advisory
http://seclists.org/fulldisclosure/2020/Aug/5	[email protected]	ExploitMailing ListThird Party Advisory
https://seclists.org/fulldisclosure/2019/Sep/31	[email protected]	ExploitMailing ListThird Party Advisory
https://www.theregister.co.uk/2019/09/24/vbulletin_vbug_zeroday/	[email protected]	Press/Media CoverageThird Party Advisory

see all 21 references

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name	Date Added	Due Date	Required Action
vBulletin PHP Module Remote Code Execution Vulnerability	Nov 3, 2021	May 3, 2022	Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-94	Improper Control of Generation of Code ('Code Injection')	[email protected]
CWE-94	Improper Control of Generation of Code ('Code Injection')	CISA-ADP

Affected Products

Product	Versions
vbulletin vbulletin	>= 5.0.0, <= 5.5.4
CPE cpe:2.3:a:vbulletin:vbulletin:::::::: Remediation No remediation found in references.

Change History

21 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Nov 7, 2025	Modified Analysis	[email protected]
Oct 22, 2025	CVE Modified	CISA-ADP
Oct 21, 2025	CVE Modified	CISA-ADP
Oct 21, 2025	CVE Modified	CISA-ADP
Mar 14, 2025	Modified Analysis	[email protected]
Feb 4, 2025	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 21, 2021	CWE Remap	[email protected]
Aug 19, 2020	Modified Analysis	[email protected]
Aug 13, 2020	CVE Modified	[email protected]
Aug 11, 2020	CVE Modified	[email protected]
Aug 11, 2020	CVE Modified	[email protected]
Dec 11, 2019	CVE Modified	[email protected]
Oct 1, 2019	CVE Modified	[email protected]
Sep 26, 2019	CVE Modified	[email protected]
Sep 26, 2019	CVE Modified	[email protected]
Sep 25, 2019	Initial Analysis	[email protected]
Sep 25, 2019	CVE Modified	[email protected]