What is CVE-2022-31883?

CVE-2022-31883 is a high-severity vulnerability in Marvalglobal Marval Msm, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2022-06-28.

How severe is CVE-2022-31883?

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

Auth bypass in Marvalglobal Marval Msm

CVE-2022-31883

Marval MSM v14.19.0.12476 is has an Insecure Direct Object Reference (IDOR) vulnerability. A low privilege user is able to see other users API Keys including the Admins API Keys.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2022-06-28 · 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: 0.010 (60.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000

Affected products

Marvalglobal Marval Msm — versions 14.19.0.12476

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

drive.google.com/drive/folders/17Q8ItseCzj5W7wlD6ZFqL0y1N5Emxz4_ (Third Party Advisory, Broken Link)
marvalglobal.com/ (Product, Vendor Advisory)
cyber-guy.gitbook.io/cyber-guy/pocs/marval-msm/idor-leads-to-unauthorized-acces… (Third Party Advisory)

Frequently asked questions

What is CVE-2022-31883?: CVE-2022-31883 is a high-severity vulnerability in Marvalglobal Marval Msm, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2022-06-28.
How severe is CVE-2022-31883?: High severity. CVSS v3 base score is 8.8 out of 10.