Security readout for executives and security teams
Plain-English summary
A user who opens an attacker-crafted Teamcenter login link could see a manipulated login page. The provided sources limit the issue to Siemens PLM Software Teamcenter 9.1.2.5 and state that 9.1.3 and newer are not affected.
Executive priority
Treat this as a legacy exposure review. Priority rises if Teamcenter 9.1.2.5 remains reachable by partners, remote users, or the internet.
Technical view
CVE-2018-11450 is a CWE-79 reflected XSS issue in the Teamcenter 9.1.2.5 login portal. A crafted URL can inject HTML or JavaScript and alter or rewrite the login portal page.
Likely exposure
Exposure is most likely where legacy Teamcenter 9.1.2.5 is still deployed, especially if the login portal is reachable by users through browsers or external links.
Exploitation context
The bundle does not show KEV listing, active exploitation, CVSS, or a vendor advisory. Exploitation requires convincing a user to visit a crafted login portal URL.
Researcher notes
Evidence is narrow but specific: affected version 9.1.2.5, reflected XSS behavior, and non-affected status for 9.1.3+. No exploit maturity, CVSS vector, or patch advisory is included.
Mitigation direction
- Inventory Teamcenter deployments and identify any version 9.1.2.5 systems.
- Upgrade affected Teamcenter 9.1.2.5 systems to 9.1.3 or newer.
- Check Siemens guidance for any product-specific remediation or support constraints.
- Limit unnecessary external access to Teamcenter login portals.
- Monitor for suspicious links targeting the Teamcenter login portal.
Validation and detection
- Confirm the exact Teamcenter version on each deployment.
- Verify whether the login portal is reachable from user networks or the internet.
- Review web logs for unusual login portal URLs or encoded script-like input.
- Perform authorized reflected-XSS testing in a controlled environment.
- Confirm upgraded systems are running Teamcenter 9.1.3 or newer.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-11450 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/LucvanDonk/Siemens-Siemens-PLM-Software-TEAMCENTER-Reflected-Cross-Site-Scripting-XSS-vulnerability/wikiCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.