Arbitrary file upload in Ocproducts Composr

CVE-2021-46360

Authenticated remote code execution (RCE) in Composr-CMS 10.0.39 and earlier allows remote attackers to execute arbitrary code via uploading a PHP shell through /adminzone/index.php?page=admin-commandr.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.092 (95.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.2% 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-2021-46360: held from 0.092 to 0.092.

EPSS over last 30 days · oldest: 0.092 · newest: 0.092 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-46360?
CVE-2021-46360 is a high-severity vulnerability in Ocproducts Composr, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2022-02-09.
How severe is CVE-2021-46360?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-46360 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.