Is CVE-2017-6663 actively exploited?

Yes. CVE-2017-6663 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2017-6663 be exploited remotely?

The attack vector of CVE-2017-6663 has not been classified yet.

What is the CVSS score of CVE-2017-6663?

CVE-2017-6663 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2017-6663

HIGHCISA KEVIN THE WILD

CVE-2017-6663

Published: March 3, 2022

EPSS:2.32%probability of exploitation in 30 daysPercentile:84.5th

Official 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).

NVD Source

CISA KEV Advisory

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

Added to KEV: 2022-03-03Federal patch deadline: 2022-03-24

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This high-severity vulnerability in Cisco IOS and IOS XE Autonomic Networking allows an unauthenticated, adjacent attacker to cause autonomic nodes to reload, resulting in a denial-of-service condition. Its presence in CISA's KEV catalog confirms active exploitation, highlighting the need for immediate remediation.

Active exploitation of this vulnerability has been observed in the wild, and it is listed in CISA's Known Exploited Vulnerabilities catalog.

Recommended Action

Apply all available security updates and patches for Cisco IOS Software and Cisco IOS XE Software to mitigate the denial-of-service vulnerability in the Autonomic Networking feature.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2017-6663 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2017-6663 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.