8.8
High
CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-119
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS, IOS XE, and IOS XR | Versions not published |