What is CVE-2023-33284?

CVE-2023-33284 is a high-severity vulnerability in Marvalglobal Msm, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2023-06-07.

How severe is CVE-2023-33284?

High severity. CVSS v3 base score is 8.8 out of 10.

Deserialization in Marvalglobal Msm

CVE-2023-33284

Marval MSM through 14.19.0.12476 and 15.0 has a Remote Code Execution vulnerability. A remote attacker authenticated as any user is able to execute code in context of the web server.

Vulnerability class: Insecure Deserialization

Published 2023-06-07 · last modified 2026-06-17.

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: 0.011 (63.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Marvalglobal Msm — versions 15.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

www.cyberskydd.se/cve/2023/CVE-2023-33284.html (Third Party Advisory)

Frequently asked questions

What is CVE-2023-33284?: CVE-2023-33284 is a high-severity vulnerability in Marvalglobal Msm, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2023-06-07.
How severe is CVE-2023-33284?: High severity. CVSS v3 base score is 8.8 out of 10.