Arbitrary file upload in Backdropcms Backdrop Cms

CVE-2022-42092

Backdrop CMS 1.22.0 has Unrestricted File Upload vulnerability via 'themes' that allows attackers to Remote Code Execution. Note: Third parties dispute this and argue that advanced permissions are required.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-42092: held from 0.017 to 0.021.

EPSS over last 30 days · oldest: 0.017 · newest: 0.021 · change: +0.004

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-42092?
CVE-2022-42092 is a high-severity vulnerability in Backdropcms Backdrop Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2022-10-07.
How severe is CVE-2022-42092?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2022-42092 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.