CVE-2011-3321: siemens simatic_wincc_runtime

Vulnerability summary

CVE-2011-3321 is a high (CVSS 9.3) vulnerability in siemens simatic_wincc_runtime. EPSS estimates a 7.07% chance of exploitation in the next 30 days, higher than 94.1% of scored vulnerabilities.

Timeline

1. 15-09-2011
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.