Is It On KEV?

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

YES - ON THE CISA KEV LIST
CVE-2018-0155

Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability

CISA catalog due date2022-03-17
overdue since 2022-03-17
EPSS exploit probability (next 30 days)7.7% · 95percentile
From CVE publication to KEV listing1436 days (2018-03-28 → 2022-03-03)
Remediation window (KEV listing to due date)14 days
Days on the KEV list1714 days
Date added to KEV2022-03-03
Known ransomware campaign useUnknown
VendorCisco
ProductCatalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches
Weaknesses (CWE)CWE-388

Cisco: 103 entries (5.8% of all KEV entries are from this vendor); 21 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

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 (CISA)

Apply updates per vendor instructions.

Notes

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

References

Other KEV entries for this vendor: Cisco

Cisco - Vendors with KEV entries

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