CRLF injection vulnerability in the HMI web application in Siemens WinCC (TIA Portal) 11 allows remote attackers to inject arbitrary HTTP h…

published 2013-03-21 13y ago modified 2026-06-16 4mo ago also EUVD-2013-0681

cvss: 4.3; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

CRLF injection vulnerability in the HMI web application in Siemens WinCC (TIA Portal) 11 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a crafted URL.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-13-079-03 updated 2025-06-06 cvss 4.3

Siemens WinCC TIA Portal Vulnerabilities

Siemens WinCC (TIA Portal) V11
affected: mitigation

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-20 Improper Input Validation

References

siemens.com /corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf
vendor-advisory
ics-cert.us-cert.gov /pdf/ICSA-13-079-03.pdf
us-government-resource

Sources

CVE List CVE-2013-0670
NVD CVE-2013-0670

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