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CVE-2018-0161

CISA KEV

Published March 3, 2022 · Updated April 3, 2026

high
Official Description+

A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software running on certain models of Cisco Catalyst Switches could allow an authenticated, remote attacker to cause a denial-of-service (DoS) condition.

Affected Products

VendorProduct
CiscoIOS Software

Patch Status

Patch by 2022-03-17

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-2018-0161.