Unscored severity · published Feb 3, 2012
CVE-2011-4514
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…
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CVSS
3.4%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SH
Simatic Hmi Panels · Siemens
comfort_panels; mobile_panels; mp; op; tp · source: NVD
WI
Wincc · Siemens
v11 · source: NVD
WF
Wincc Flexible · Siemens
2004; 2005; 2007; 2008 · source: NVD
WF
Wincc Flexible Runtime · Siemens
All versions, or not specified · source: NVD
WR
Wincc Runtime Advanced · Siemens
v11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-4514
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-4514
Vendor Advisory
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf
US Government Resource
http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
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