What is CVE-2022-39297?

CVE-2022-39297 is a high-severity vulnerability in Melisplatform Melis-Cms, classified under Deserialization of Untrusted Data. CVSS score: 7.7/10. Published 2022-10-12.

How severe is CVE-2022-39297?

High severity. CVSS v3 base score is 7.7 out of 10.

Deserialization in Melisplatform Melis-Cms

CVE-2022-39297

MelisCms provides a full CMS for Melis Platform, including templating system, drag'n'drop of plugins, SEO and many administration tools. Attackers can deserialize arbitrary data on affected versions of `melisplatform/melis-cms`, and ultimately leads to the execution of arbitrary PHP code on the system. Conducting this attack does not require authentication. Users should immediately upgrade to `melisplatform/melis-cms` >= 5.0.1. This issue was addressed by restricting allowed classes when deserializing user-controlled data.

Vulnerability class: Insecure Deserialization

EPSS: 0.010 (60.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Melisplatform Melis-cms — versions <= 5.0.0
Melistechnology Meliscms

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

security-advisories@github.com (Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-39297?: CVE-2022-39297 is a high-severity vulnerability in Melisplatform Melis-Cms, classified under Deserialization of Untrusted Data. CVSS score: 7.7/10. Published 2022-10-12.
How severe is CVE-2022-39297?: High severity. CVSS v3 base score is 7.7 out of 10.