Arbitrary file upload in Cegid Meta4 Hr

CVE-2024-2636

An Unrestricted Upload of File vulnerability has been found on Cegid Meta4 HR, that allows an attacker to upload malicios files to the server via '/config/espanol/update_password.jsp' file. Modifying the 'M4_NEW_PASSWORD' parameter, an attacker could store a malicious JSP file inside the file directory, to be executed the the file is loaded in the application.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (44.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.2% 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-2024-2636: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-2636?
CVE-2024-2636 is a critical-severity vulnerability in Cegid Meta4 Hr, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.0/10. Published 2024-03-19.
How severe is CVE-2024-2636?
Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2024-2636 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.