What is CVE-2023-23561?

CVE-2023-23561 is a medium-severity vulnerability in Stormshield Endpoint Security, classified under Origin Validation Error. CVSS score: 5.5/10. Published 2023-05-30.

How severe is CVE-2023-23561?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Stormshield Endpoint Security

CVE-2023-23561

Stormshield Endpoint Security 2.3.0 through 2.3.2 has Incorrect Access Control: authenticated users can read sensitive information.

Published 2023-05-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (3.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Stormshield Endpoint Security

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

advisories.stormshield.eu (Vendor Advisory)
advisories.stormshield.eu/2023-001/ (Vendor Advisory)

Frequently asked questions

What is CVE-2023-23561?: CVE-2023-23561 is a medium-severity vulnerability in Stormshield Endpoint Security, classified under Origin Validation Error. CVSS score: 5.5/10. Published 2023-05-30.
How severe is CVE-2023-23561?: Medium severity. CVSS v3 base score is 5.5 out of 10.