CVE-2018-0167 · netVigilance record NV22-0148

Cisco IOS, XR, and XE Software Buffer Overflow

past due

What to do

Apply updates per vendor instructions.

CISA deadline 2022-03-17 · passed 4 years 5 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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.

Who is affected

Cisco IOS, XR, and XE Software. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-119.

Timeline

2022-03-03
Added to CISA KEVExploitation in the wild confirmed by CISA
2022-03-17
CISA remediation deadlinepassed 4 years 5 months ago

Sources

NVD entry for CVE-2018-0167 nvd.nist.gov/vuln/detail/CVE-2018-0167
CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2018-0167