CVE Vulnerability

CVE-2021-45268

** DISPUTED ** A Cross Site Request Forgery (CSRF) vulnerability exists in Backdrop CMS 1.20, which allows Remote Attackers to gain Remote Code Execution (RCE) on the Hosting Webserver via uploading a maliciously add-on with crafted PHP file. NOTE: the vendor disputes this because the attack requires a session cookie of a high-privileged authenticated user who is entitled to install arbitrary add-ons.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/V1n1v131r4/CSRF-to-RCE-on-Backdrop-CMS Exploit Third Party Advisory
https://www.exploit-db.com/exploits/50323 Third Party Advisory VDB Entry
Configurations

Configuration 1

cpe:2.3:a:backdropcms:backdrop:1.20.0:*:*:*:*:*:*:*
Information

Published : 2022-02-03 10:15

Updated : 2022-02-10 06:41

NVD link : CVE-2021-45268

Mitre link : CVE-2021-45268

Products Affected
No products.
CWE
CWE-352