CVE-2011-3321
SIMATIC WinCC flexible Runtime and WinCC Runtime Advanced - Heap-based Buffer Overflow via TCP Port 2308
Title source: llmDescription
Heap-based buffer overflow in the Siemens WinCC Runtime Advanced Loader, as used in SIMATIC WinCC flexible Runtime and SIMATIC WinCC (TIA Portal) Runtime Advanced, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted packet to TCP port 2308.
References (5)
Core 5
Core References
Various Sources x_refsource_misc
http://support.automation.siemens.com/WW/view/en/29054992
Various Sources x_refsource_confirm
http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/69803
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/46011
US Government Resource x_refsource_misc
http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf
Scores
EPSS
0.0270
EPSS Percentile
86.1%
Details
CWE
CWE-119
Status
published
Products (2)
siemens/simatic_wincc_flexible_runtime
siemens/simatic_wincc_runtime
Published
Sep 16, 2011
Tracked Since
Feb 18, 2026