CVE-2018-0155
Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability
IN CISA KEV
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.
- Vendor
- Cisco
- Product
- Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-388
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2022-03-03
- Due date
- 2022-03-17
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
EPSS
7.74% chance of exploitation in the next 30 days (percentile 94th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.