Vulnerability in Cisco Ios

CVE-2017-6663

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 a denial of servic…

EPSS: 0.021 (80.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Cisco Ios — versions 15.2\(3\)e, 15.2\(3\)e1, 15.2\(3\)e2
  • Cisco Ios_xe — versions 3.7.0e, 3.7.1e, 3.7.3e
  • N/a Cisco Ios And Xe — versions Cisco IOS and IOS XE

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-6663?
CVE-2017-6663 is a medium-severity vulnerability in Cisco Ios. CVSS score: 6.5/10. Published 2017-08-07.
How severe is CVE-2017-6663?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-6663 known to be exploited?
Yes. CVE-2017-6663 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.