Home/CVE/Heap-based buffer overflow in the Siemens WinCC Runtime Advanced Loader, as used in SIMATIC WinCC flexible Runtime and S
CVE

CVE-2011-3321

Heap-based buffer overflow in the Siemens WinCC Runtime Advanced Loader, as used in SIMATIC WinCC flexible Runtime and S

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.

HIGH · CVSS 9.3 EPSS 0.02702
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

2
siemens simatic wincc flexible runtimeall versions
siemens simatic wincc runtimeall versions
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Scoring & Timeline

9.3
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:M/Au:N/C:C/I:C/A:C
Published to NVD16 Sep 2011 · 12:35 PM
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Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2011-icsa-11-244-01
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf
http://secunia.com/advisories/46011Vendor Advisory
http://support.automation.siemens.com/WW/view/en/29054992
http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdfUS Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/69803
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