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CVE-2021-45268

nvd nist
Published: Feb 3, 2022Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

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

Affected (1)

Backdropcms
1 product
Backdrop
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Backdrop
Version 1.20.0

Related CWEs

CWE-352
Cross-Site Request Forgery (CSRF)
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

References (4)

Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry

Timeline

No history available yet.