March 3, 2022 · Applied Cybernetics Group
CVE-2017-6663 — Cisco IOS and IOS XE Software
Cisco IOS Software and Cisco IOS XE Software Denial-of-Service Vulnerability
- Added to KEV
2022-03-03- Federal due date
2022-03-24- Vendor
- Cisco
- Product
- IOS and IOS XE Software
- EPSS
- 85.8th percentile (score 0.026, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2017-6663
CISA short description
A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause autonomic nodes of an affected system to reload, resulting in denial-of-service (DoS).
Required action
Apply updates per vendor instructions.