CVE-2018-0167

8.8 highKEVEPSS 3.4%

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.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.4% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2022-03-03, due 2022-03-17
CWE: CWE-119
Published: 2018-03-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cisco:ios
cisco:ios_xe
cisco:ios_xr

References

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

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