All vulnerabilities
CVE-2018-0167

Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability

Cisco IOS, XR, and XE SoftwareOperating systems
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 3 Mar 2022CISA KEV
Exploit odds (EPSS)3.35%Chance of exploitation activity in the next 30 days, higher than 88% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline17 Mar 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 28 Mar 2018, 22:00 UTCPublishedCVE List
  2. 3 Mar 2022Added to CISA KEVCISA KEV

Description

There is a buffer overflow vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software which could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code.

Text from CVE List

Affected versions 1

  • Cisco IOS, IOS XE, and IOS XRaffected: Cisco IOS, IOS XE, and IOS XRCVE List

References 6