Vulnerability Report

CVE-2019-16759

RCE CISA KEV Active

Title: Vbulletin RCE

RCE

Proof Of Concept

PoC Available for CVE-2019-16759

CWE Category CWE-94
Published Date Sep 24, 2019
Modified Date Nov 07, 2025
Exploit Status Available
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
99.73%

Vulnerability Summary

CVE-2019-16759: vBulletin 5.x through 5.5.4 allows remote command execution via the widgetConfig[code] parameter in an ajax/render/widget_php routestring request.

Impacted Vendors

J
jelsoft 1
V
vbulletin 1

Reference Links

http://packetstormsecurity.com/files/154623/vBulletin-5.x-0-Day-Pre-Auth-Remote-Command-Execution.html http://packetstormsecurity.com/files/154648/vBulletin-5.x-Pre-Auth-Remote-Code-Execution.html http://packetstormsecurity.com/files/155633/vBulletin-5.5.4-Remote-Command-Execution.html http://packetstormsecurity.com/files/158829/vBulletin-5.x-Remote-Code-Execution.html http://packetstormsecurity.com/files/158830/vBulletin-5.x-Remote-Code-Execution.html http://packetstormsecurity.com/files/158866/vBulletin-5.x-Remote-Code-Execution.html http://seclists.org/fulldisclosure/2020/Aug/5 https://arstechnica.com/information-technology/2019/09/public-exploit-code-spawns-mass-attacks-against-high-severity-vbulletin-bug/ https://seclists.org/fulldisclosure/2019/Sep/31 https://www.theregister.co.uk/2019/09/24/vbulletin_vbug_zeroday/ http://packetstormsecurity.com/files/154623/vBulletin-5.x-0-Day-Pre-Auth-Remote-Command-Execution.html http://packetstormsecurity.com/files/154648/vBulletin-5.x-Pre-Auth-Remote-Code-Execution.html http://packetstormsecurity.com/files/155633/vBulletin-5.5.4-Remote-Command-Execution.html http://packetstormsecurity.com/files/158829/vBulletin-5.x-Remote-Code-Execution.html http://packetstormsecurity.com/files/158830/vBulletin-5.x-Remote-Code-Execution.html http://packetstormsecurity.com/files/158866/vBulletin-5.x-Remote-Code-Execution.html http://seclists.org/fulldisclosure/2020/Aug/5 https://arstechnica.com/information-technology/2019/09/public-exploit-code-spawns-mass-attacks-against-high-severity-vbulletin-bug/ https://seclists.org/fulldisclosure/2019/Sep/31 https://www.theregister.co.uk/2019/09/24/vbulletin_vbug_zeroday/ https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16759
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-16759 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/47447
View Code
Exploit-DB https://www.exploit-db.com/exploits/47437
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.