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Case File

CVE-2011-3321

HIGH · CVSS 9.3 EPSS 7.07%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-09-16 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 9.3. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2011-3321
Severity
HIGH
CVSS
9.3
EPSS
7.07%

Original NVD 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.