theinfosecnews

CVE-2017-3881

CISA KEV

Published March 25, 2022 · Updated April 3, 2026

high
Official Description+

A vulnerability in the Cisco Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device or remotely execute code with elevated privileges.

Affected Products

VendorProduct
CiscoIOS and IOS XE

Patch Status

Patch by 2022-04-15

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2017-3881.