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.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

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

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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 (hide)

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

Information

Published : 2022-02-03 14:15

Updated : 2022-02-09 22:41

NVD link : CVE-2021-45268

Mitre link : CVE-2021-45268

JSON object : View

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

Products Affected

backdropcms

backdrop

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8.8 /10