Auth bypass in Siemens Sinec Nms
CVE-2026-25654
A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP3). Affected products do not properly validate user authorization when processing password reset requests. This could allow an authenticated remote attacker to bypass authorization checks, leading to the ability to reset the password of any arbitrary user account.
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.005 (37.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Siemens Sinec Nms — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-25654?
- CVE-2026-25654 is a high-severity vulnerability in Siemens Sinec Nms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-04-14.
- How severe is CVE-2026-25654?
- High severity. CVSS v3 base score is 8.8 out of 10.