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CVE-2018-0167

Known Exploited (CISA KEV)HIGH

8.8

CVSS Severity Score

EPSS Score61.5740%

EPSS Percentile95.99th

PublishedMar 28, 2018

Last ModifiedJan 14, 2026

Vulnerability Description

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.

Affected Platforms (CPE)

💻

Cisco

Ios

= 5.2.0.base

💻

Cisco

Ios Xe

= 5.2.0.base

💻

Cisco

Ios Xr

>= 4.1 and < 5.1.3

💻

Cisco

Ios

<= 15.6.3m1

💻

Cisco

Ios Xe

<= 15.6.3m1

💻

Cisco

Ios

<= 15.2\(6\)e0a

💻

Cisco

Ios Xe

<= 15.2\(6\)e0a

💻

Cisco

Ios

<= 15.2\(4a\)ea5

💻

Cisco

Ios Xe

<= 15.2\(4a\)ea5

References & Advisories

🔗 http://www.securityfocus.com/bid/103564

🔗 http://www.securitytracker.com/id/1040586

🔗 https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03

🔗 https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04

🔗 https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05

🔗 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp

🔗 http://www.securityfocus.com/bid/103564

🔗 http://www.securitytracker.com/id/1040586

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