CVE-2011-3321 - CVE House
Back to Database
Status published Critical CVE-2011-3321

Heap-based buffer overflow in the Siemens WinCC Runtime Advanced Loader,...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2011-3321

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

simatic wincc flexible runtime, simatic wincc runtime
Vulnerable Versions:
Unknown

Timeline

Official Publish: September 15th, 2011
Last Modified: August 6th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.