What is CVE-2025-56423?

CVE-2025-56423 is a medium-severity vulnerability in Craws Openatlas, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2025-11-24.

How severe is CVE-2025-56423?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Craws Openatlas

CVE-2025-56423

An issue in Austrian Academy of Sciences (AW) Austrian Archaeological Institute OpenAtlas v.8.12.0 allows a remote attacker to obtain sensitive information via the login error messages

Published 2025-11-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Craws Openatlas

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

www.sec4you-pentest.com/schwachstellen/ (Third Party Advisory)
www.sec4you-pentest.com/schwachstelle/openatlas-schwachstelle-user-enumeration/ (Third Party Advisory)

Frequently asked questions

What is CVE-2025-56423?: CVE-2025-56423 is a medium-severity vulnerability in Craws Openatlas, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2025-11-24.
How severe is CVE-2025-56423?: Medium severity. CVSS v3 base score is 5.3 out of 10.