CVE-2018-0167
HIGH severity · CVSS 8.8 · Memory corruption · actively exploited (CISA KEV)
8.8CVSS HIGH ● exploited
🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2022-03-03. US federal agencies must patch by 2022-03-17.
Summary
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.
Impact & exploitability
Attack vectorAdjacent
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldpAdvisory
- http://www.securityfocus.com/bid/103564Advisory
- http://www.securitytracker.com/id/1040586Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05Advisory
- http://www.securityfocus.com/bid/103564Advisory
- http://www.securitytracker.com/id/1040586Advisory