Vulnerability in Cisco Catalyst_4500e_supervisor_engine_8-e_\(k10\)
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…
EPSS: 0.079 (94.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco Catalyst_4500e_supervisor_engine_8-e_\(k10\)
- Cisco Catalyst_4500e_supervisor_engine_8l-e_\(k10\)
- Cisco Catalyst_4500e_supervisor_engine_9-e_\(k10\)
- Cisco Catalyst_4500_supervisor_engine_6-e_\(k5\)
- Cisco Catalyst_4500_supervisor_engine_6l-e_\(k10\)
- Cisco Catalyst_4500_supervisor_engine_7-e_\(k10\)
- Cisco Catalyst_4500_supervisor_engine_7l-e_\(k10\)
- Cisco Catalyst_4500-x_series_switches_\(k10\)
- Cisco Catalyst_4900m_switch_\(k5\)
- Cisco Catalyst_4948e_ethernet_switch_\(k5\)
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2018-0155?
- CVE-2018-0155 is a high-severity vulnerability in Cisco Catalyst_4500e_supervisor_engine_8-e_\(k10\), classified under CWE-388. CVSS score: 8.6/10. Published 2018-03-28.
- How severe is CVE-2018-0155?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2018-0155 known to be exploited?
- Yes. CVE-2018-0155 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.