March 3, 2022 · Applied Cybernetics Group
CVE-2018-0155 — Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches
Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability
- Added to KEV
2022-03-03- Federal due date
2022-03-17- Vendor
- Cisco
- Product
- Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches
- EPSS
- 94.6th percentile (score 0.145, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2018-0155
CISA short description
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.
Required action
Apply updates per vendor instructions.