CVE-2017-6665: Cisco IOS

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to reset the Autonomic Control Plane (ACP) of an affected system and view ACP packets that are transferred in clear text within an affected system, an Information Disclosure Vulnerability. More Information: CSCvd51214. Known Affected Releases: Denali-16.2.1 Denali-16.3.1.

Affected products

• Cisco IOS: version 15.2(3)e only; version 15.2(3)e1 only; version 15.2(3)e2 only; version 15.2(3)e3 only; version 15.2(3)e4 only; version 15.2(3)e5 only; …
• Cisco IOS XE: version 3.7.0e only; version 3.7.1e only; version 3.7.3e only; version 3.8.0e only; version 3.8.0ex only; version 3.8.1e only; …

Published 2017-08-07. Last modified 2026-06-17.