Home/CVE/The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comf
CVE

CVE-2011-4514

The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comf

The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008.

WinCC V11 (aka TIA portal)

the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels.

WinCC V11 Runtime Advanced.

and WinCC flexible Runtime does not perform authentication, which makes it easier for remote attackers to obtain access via a TCP session.

HIGH · CVSS 10 EPSS 0.01036
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

5
siemens wincc flexibleall versions
siemens winccall versions
siemens simatic hmi panelsall versions
siemens wincc runtime advancedall versions
siemens wincc flexible runtimeall versions
▣

Scoring & Timeline

10
HIGH · CVSS v2 (legacy) · cret@cert.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Published to NVD03 Feb 2012 · 08:55 PM
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2012-icsa-12-030-01a
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdfVendor Advisory
http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdfUS Government Resource
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