Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-48827

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
27/05/2025
Last modified:
25/06/2025

Description

vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to invoke protected API controllers' methods when running on PHP 8.1 or later, as demonstrated by the /api.php?method=protectedMethod pattern, as exploited in the wild in May 2025.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 10.00 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
10.00
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:* 5.0.0 (including) 5.7.5 (including)
cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:* 6.0.0 (including) 6.0.3 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools