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CVE-2018-0167Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCuo17183, CSCvd73487.
8.8 HIGHEPSS 3.35%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.8 | HIGH | 3.1NVD | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 8.3 | HIGH | 2.0NVD | AV:A/AC:L/Au:N/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Mar 17, 2022
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2018-0167
- Status
- Analyzed
- Assigner (CNA)
- cisco
- Published
- Mar 28, 2018
- Last modified
- 2026-06-17 01:29 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
Cisco IOS, IOS XE, and IOS XR1 version range
- Cisco IOS, IOS XE, and IOS XR
References
- securityfocus.com http://www.securityfocus.com/bid/103564
- securitytracker.com http://www.securitytracker.com/id/1040586
- ics-cert.us-cert.gov https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
- ics-cert.us-cert.gov https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
- ics-cert.us-cert.gov https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
- tools.cisco.com https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0167