What is CVE-2023-33282?

CVE-2023-33282 is a critical-severity vulnerability in Marvalglobal Msm, classified under Incorrect Default Permissions. CVSS score: 9.8/10. Published 2023-06-07.

How severe is CVE-2023-33282?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Marvalglobal Msm

CVE-2023-33282

Marval MSM through 14.19.0.12476 and 15.0 has a System account with default credentials. A remote attacker is able to login and create a valid session. This makes it possible to make backend calls to endpoints in the application.

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

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Marvalglobal Msm — versions 15.0

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

marvalglobal.com/software/ (Product)
www.cyberskydd.se/cve/2023/CVE-2023-33282.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-33282?: CVE-2023-33282 is a critical-severity vulnerability in Marvalglobal Msm, classified under Incorrect Default Permissions. CVSS score: 9.8/10. Published 2023-06-07.
How severe is CVE-2023-33282?: Critical severity. CVSS v3 base score is 9.8 out of 10.