VULNERABILITY INTELLIGENCE

CVE-2021-45268

CVSS score8.8 HIGH
EPSS probability1.82%
CISA KEVNot currently listed
Published2022-02-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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

Weakness classification

  • nvd@nist.gov: CWE-352

Primary references