PULSE
ES
FEED
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← All CVEs
CVE Watch—

CVE-2018-0155

Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability

CVSS

—

No CVSS

EPSS

7.7%

p95

KEV

YES

Mar 3, 2022

Exploit Today

78

0-100

Published: — · Last modified: —

EPSS · 30d
7.7%EPSS · 30 days7.7%
2026-09-172026-10-15
KEV catalog record

Product

Cisco / Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches

Vulnerability

Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability

Added to KEV

Mar 3, 2022

Remediate by

Mar 17, 2022

Known ransomware use

No

Summary 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.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2018-0155

Related CVEs

No related CVEs by CWE or product.