Risk Letters

Exploited vulnerability

CVE-2018-0155

TLP:CLEAR

Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability

A vulnerability in the Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial-of-service (DoS) condition.

Facts

  • Vendor: Cisco
  • Product: Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches
  • CVSS: 8.6
  • EPSS (probability of exploitation within 30 days): 7.7 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 March 2022
  • First known exploitation: 3 March 2022
  • CISA's deadline for US federal agencies: 17 March 2022
  • Weakness: CWE-388
  • First seen by Risk Letters: 3 March 2022

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD