CVE-2017-6663
Cisco IOS Software and Cisco IOS XE Software Denial-of-Service Vulnerability
IN CISA KEV
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).
- Vendor
- Cisco
- Product
- IOS and IOS XE Software
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- Not recorded
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2022-03-03
- Due date
- 2022-03-24
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
EPSS
2.12% chance of exploitation in the next 30 days (percentile 81st)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.