CVE-2012-3017: siemens simatic_s7-400_cpu_firmware

Vulnerability summary

CVE-2012-3017 is a high (CVSS 7.8) vulnerability in siemens simatic_s7-400_cpu_firmware. EPSS estimates a 3.46% chance of exploitation in the next 30 days, higher than 88.9% of scored vulnerabilities.

Timeline

1. 31-07-2012
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service (defect-mode transition and service outage) via (1) malformed HTTP traffic or (2) malformed IP packets.

• 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.