EUVD-2026-72659
GHSA-66wm-wchr-375j
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-delivered reflected XSS with no attacker privileges; scope change (S:C) because script executes in victim's browser context; UI:R for required victim interaction; no availability impact.
Primary rating from Vendor (siemens).
CVSS VectorVendor: siemens
Lifecycle Timeline
6DescriptionCVE.org
A vulnerability has been identified in Teamcenter V2412 (All versions < V2412.0013), Teamcenter V2506 (All versions < V2506.0010), Teamcenter V2512 (All versions < V2512.2607), Teamcenter V2606 (All versions < V2606.2607). Affected applications do not properly encode user-supplied input reflected into HTML attribute contexts within the authentication redirect flow (/auth/ endpoint). This could allow an unauthenticated remote attacker to inject arbitrary JavaScript into the browser of an authenticated user who loads a crafted URL, enabling the attacker to perform actions within the victim's Teamcenter session.
AnalysisAI
Reflected XSS in Siemens Teamcenter's authentication redirect endpoint (/auth/) allows an unauthenticated remote attacker to inject arbitrary JavaScript into the browser of an already-authenticated user by delivering a crafted URL. Four active Teamcenter release trains are affected across versions prior to V2412.0013, V2506.0010, V2512.2607, and V2606.2607. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker requires no authentication and no special server-side configuration - the /auth/ endpoint is part of the standard authentication redirect flow present in all affected deployments. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 8.5 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N) accurately characterises the threat: network-reachable, low-complexity attack with no attacker privileges required, but requiring the victim to actively load a crafted URL (UI:A). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Siemens has released patched versions for all four affected trains: upgrade Teamcenter V2412 to V2412.0013 or later, V2506 to V2506.0010 or later, V2512 to V2512.2607 or later, and V2606 to V2606.2607 or later. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify all Siemens Teamcenter instances in production across affected versions (prior to V2412.0013, V2506.0010, V2512.2607, and V2606.2607), assess whether the /auth/ endpoint is internet-facing, and establish vendor communication for patch availability. …
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External POC / Exploit Code
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