Vulnerability in View CSAF Summary SINEC NMS (CVE-2026-25654)
Summary
Vulnerability in View CSAF Summary SINEC NMS (CVE-2026-25654). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
View CSAF Summary SINEC NMS before V4.0 SP3 contains an Authorization Bypass vulnerability that could allow an attacker to bypass authorization checks, leading to the ability to reset the password of any arbitrary user account. Siemens has released a new version for SINEC NMS and recommends to update to the latest version. The following versions of Siemens SINEC NMS are affected: SINEC NMS CVSS Vendor Equipment Vulnerabilities v3 8.8 Siemens Siemens SINEC NMS Authorization Bypass Through User-Controlled Key Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Germany Vulnerabilities Expand All + CVE-2026-25654 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. View CVE Details Affected Products Siemens SINEC NMS Vendor:Siemens Product Version:SINEC NMS Product Status:known_affected Remediations MitigationLimit network access to trusted users and systems only Vendor fixUpdate to V4.0 SP3 or later versionhttps://support.industry.siemens.com/cs/ww/en/view/110000760/ Relevant CWE: CWE-639 Authorization Bypass Through User-Controlled Key Metrics CVSS Version Base Score Base Severity Vector String 3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Acknowledgments Siemens ProductCERT report…
Source: CISA ICS Advisories NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-25654 has been found in View CSAF Summary SINEC NMS.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "View CSAF Summary SINEC NMS CVE-2026-25654" on the vendor's site.
CVE-2026-25654 (View CSAF Summary SINEC NMS)
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (unclassified) exists in View CSAF Summary SINEC NMS.
Check the vendor advisory for the affected versions of View CSAF Summary SINEC NMS.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで View CSAF Summary SINEC NMS を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- ICSA cisa.gov