CVE Vulnerability

CVE-2021-43281

MyBB before 1.8.29 allows Remote Code Injection by an admin with the "Can manage settings?" permission. The Admin CP's Settings management module does not validate setting types correctly on insertion and update, making it possible to add settings of supported type "php" with PHP code, executed on Change Settings pages.

6.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.2 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/mybb/mybb/security/advisories/GHSA-8gxx-vmr9-h39p Patch Release Notes
Configurations

Configuration 1

cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*
Information

Published : 2021-11-04 06:15

Updated : 2021-11-05 07:10

NVD link : CVE-2021-43281

Mitre link : CVE-2021-43281

Products Affected
No products.
CWE
CWE-94