PT-2012-3547 · Siemens · Scalance S Security Module

Published 2012-04-18 · Updated 2012-12-06 · CVE-2012-1799

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Siemens Scalance S Security Module firewall versions prior to 2.3.0.3

Description The issue allows remote attackers to gain access via a brute-force attack on the administrative password due to the lack of rate limiting on authentication attempts.

Recommendations For versions prior to 2.3.0.3, update to version 2.3.0.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the administrative interface to minimize the risk of exploitation.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2012-1799

Affected Products

Scalance S Security Module

References · 5

• http://siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-268149.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-1799 · Security Note
• http://support.automation.siemens.com/WW/view/en/59869684 · Note
• http://us-cert.gov/control_systems/pdf/ICSA-12-102-05.pdf · Note
• http://osvdb.org/81033 · Note