HIGHCVSS v3.1 8.6Actively exploited · CISA KEV since 2022-03-03Vulnerability

CVE-2018-0155

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.

Properties

Euvd product
Cisco IOS and IOS XE
Vulnerability name
Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability
First seen
2026-01-12T21:52:53+00:00
Cvss score
8.6
Epss score
0.07742
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-03-17
Euvd assigner
cisco
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-03-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-03-03
Score
8.6
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
8.6
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Related Entities (17)

AFFECTS_PRODUCT (13)

→[Product]cpe:2.3:h:cisco:catalyst_4500_supervisor_engine_6l-e_\(k10\):-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_4900m_switch_\(k5\):-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_4500e_supervisor_engine_9-e_\(k10\):-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_4500_supervisor_engine_7l-e_\(k10\):-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_4500_supervisor_engine_7-e_\(k10\):-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_4500-x_series_switches_\(k10\):-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios:3.6\(2\)e:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_4500e_supervisor_engine_8-e_\(k10\):-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:rockwellautomation:allen-bradley_stratix_8300_industrial_managed_ethernet_switch:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:3.6\(2\)e:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_4948e_ethernet_switch_\(k5\):-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_4500_supervisor_engine_6-e_\(k5\):-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:cisco:catalyst_4500e_supervisor_engine_8l-e_\(k10\):-:*:*:*:*:*:*:*

HAS_WEAKNESS (2)

→[Weakness]Improper Handling of Exceptional Conditions
→[Weakness]CWE-388

DESCRIBES (1)

←[KEVEntry]Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2022-03-03

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CVE-2018-0155 (CVSS v3.1 8.6) — Ninja Signal Threat Intelligence | Ninja Signal