CVE Watch—

CVE-2017-6663

Cisco IOS Software and Cisco IOS XE Software Denial-of-Service Vulnerability

CVSS

—

No CVSS

EPSS

2.1%

p80

KEV

YES

Mar 3, 2022

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

2.1%EPSS · 30 days2.1%

2026-06-302026-07-17

KEV catalog record

Product

Cisco / IOS and IOS XE Software

Vulnerability

Cisco IOS Software and Cisco IOS XE Software Denial-of-Service Vulnerability

Added to KEV

Mar 3, 2022

Remediate by

Mar 24, 2022

Known ransomware use

Summary 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.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2017-6663

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