PT-2013-5115 · Siemens · Scalance W7Xx

Published 2013-07-31 · Updated 2013-08-01 · CVE-2013-4651

Positive Technologies (AI Summary)

CVSS v2.0

6.6

Medium

Base vector

AV:N/AC:H/Au:N/C:P/I:P/A:C

Name of the Vulnerable Software and Affected Versions Siemens Scalance W7xx devices with firmware prior to 4.5.4

Description The issue allows remote attackers to conduct man-in-the-middle attacks against SSL sessions by leveraging a hardcoded X.509 certificate's trust relationship. This is because the same certificate is used across different customers' installations.

Recommendations For Siemens Scalance W7xx devices with firmware prior to 4.5.4, update the firmware to version 4.5.4 or later to resolve the issue.

Fix

Weakness Enumeration

CWE-255

Related Identifiers

CVE-2013-4651

Affected Products

Scalance W7Xx

References · 2

• http://siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-120908.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2013-4651 · Security Note