Vulnerability Report

CVE-2015-3419

Title: Vbulletin Auth Bypass

Input Validation Error

Proof Of Concept

No public PoC currently indexed for CVE-2015-3419.

CWE Category CWE-20

Published Date Sep 19, 2017

Modified Date May 13, 2026

Exploit Status Not Found

Score 6.5 CVSS v3.0

Exploit Probability (EPSS)

0.98%

Vulnerability Summary

CVE-2015-3419: vBulletin 5.x through 5.1.6 allows remote authenticated users to bypass authorization checks and inject private messages into conversations via vectors related to an input validation failure.

Impacted Vendors

jelsoft 1

vbulletin 1

Reference Links

http://www.openwall.com/lists/oss-security/2015/04/24/4 http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/4319488-security-patch-released-for-vbulletin-5-1-4-5-1-6-and-vbulletin-cloud http://www.openwall.com/lists/oss-security/2015/04/24/4 http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/4319488-security-patch-released-for-vbulletin-5-1-4-5-1-6-and-vbulletin-cloud

CVSS v3.0

Source Entity [email protected]

Severity MEDIUM

6.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:S/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns