CVE-2011-4511: n/a vulnerability

CVE-2011-4511: Cross-site scripting (XSS) vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007,...

Cross-site scripting (XSS) vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2011-4510.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 20:07 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2011-4511 is a cross-site scripting flaw in Siemens HMI web server components. An attacker who can reach the HMI web interface may be able to inject script or HTML into operator-facing pages. The sources do not show active exploitation, CVSS scoring, or full remediation detail. Exposure is most likely where legacy Siemens HMI web servers are reachable from plant networks, remote access paths, or poorly segmented enterprise networks. Internet exposure would raise urgency, but the provided sources do not state exposure prevalence. Treat this as a legacy industrial-control exposure cleanup item. Prioritize systems with reachable HMI web servers or remote access paths, especially where operators use browser sessions for monitoring or control. Mitigation focus: Inventory Siemens WinCC flexible, WinCC V11, HMI panels, and runtime deployments.; Upgrade WinCC flexible installations to SP3 or later where applicable.; Upgrade WinCC V11 to SP2 Update 1 or later where applicable..

Prepared: Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 3, 2012, 20:00 UTC (UTC+00:00)

Official CVE source material

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.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

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

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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