What’s Vulnerable › Vulnerabilities

CVE-2015-5537

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-08-03 · updated 2026-06-17
• Weakness: CWE-312

Description

The SSL layer of the HTTPS service in Siemens RuggedCom ROS before 4.2.0 and ROX II does not properly implement CBC padding, which makes it easier for man-in-the-middle attackers to obtain cleartext data via a padding-oracle attack, a different vulnerability than CVE-2014-3566.

Affected products

• Siemens Ruggedcom Rox Ii Firmware: all versions
• Siemens Ruggedcom Rugged Operating System: before 4.2.0 — fixed in 4.2.0

How to fix

Upgrade to a fixed version: Siemens Ruggedcom Rugged Operating System 4.2.0. Check the vendor advisory for mitigations.

References

• http://www.securitytracker.com/id/1033022
• http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-396873.pdf
• https://ics-cert.us-cert.gov/advisories/ICSA-15-202-03A
• http://www.securitytracker.com/id/1033022
• http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-396873.pdf
• https://ics-cert.us-cert.gov/advisories/ICSA-15-202-03A

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