CVE-2007-5550: Cisco IOS

Medium severity, CVSS 5.0. EPSS: 1.6% chance of exploitation in the next 30 days.

Unspecified vulnerability in Cisco IOS allows remote attackers to obtain the IOS version via unspecified vectors involving a "common network service", aka PSIRT-1255024833. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.

Affected products

• Cisco IOS: any version

Published 2007-10-18. Last modified 2026-06-16.