What is CVE-2022-32273?

CVE-2022-32273 is a medium-severity vulnerability in Opswat Metadefender, classified under Observable Discrepancy. CVSS score: 4.3/10. Published 2022-06-08.

How severe is CVE-2022-32273?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Opswat Metadefender

CVE-2022-32273

As a result of an observable discrepancy in returned messages, OPSWAT MetaDefender Core (MDCore) before 5.1.2 could allow an authenticated user to enumerate filenames on the server.

Published 2022-06-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Opswat Metadefender

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

opswat.com (Vendor Advisory)
docs.opswat.com/mdcore/release-notes (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-32273?: CVE-2022-32273 is a medium-severity vulnerability in Opswat Metadefender, classified under Observable Discrepancy. CVSS score: 4.3/10. Published 2022-06-08.
How severe is CVE-2022-32273?: Medium severity. CVSS v3 base score is 4.3 out of 10.