CVE-2021-45268

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 v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

1.82% chance of exploitation in the next 30 days, 77th percentile

Published

2022-02-03

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/50323

References

• CVE Record
• NVD entry

Related

• CVE-2021-45267
• CVE-2021-45281
• CVE-2021-45263
• CVE-2021-45286
• CVE-2021-45262
• CVE-2021-45288