Auth bypass in Siemens Sipass Integrated

CVE-2025-40773

A vulnerability has been identified in SiPass integrated (All versions < V3.0). Affected server applications contains a broken access control vulnerability. The authorization mechanism lacks sufficient server-side checks, allowing an attacker to execute a specific API request. Successful exploitation allows an attacker to potentially manipulate data belonging to other users.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (8.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-40773: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-40773?
CVE-2025-40773 is a low-severity vulnerability in Siemens Sipass Integrated, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 3.5/10. Published 2025-10-14.
How severe is CVE-2025-40773?
Low severity. CVSS v3 base score is 3.5 out of 10.