NetSight
high8.8Known exploited

CVE-2018-0167

Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-03. Federal due date: 2022-03-17.

Apply updates per vendor instructions.

Impact

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 products

VendorProductAffected versions
CiscoIos
through 15.6.3m1
through 15.2\(6\)e0a
through 15.2\(4a\)ea5
Version 5.2.0.base
CiscoIos Xe
through 15.6.3m1
through 15.2\(6\)e0a
through 15.2\(4a\)ea5
Version 5.2.0.base
CiscoIos Xr
from 4.1 before 5.1.3

Weakness classification

References