Risk Letters

Exploited vulnerability

CVE-2018-0167

TLP:CLEAR

Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability

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.

Facts

  • Vendor: Cisco
  • Product: IOS, XR, and XE Software
  • CVSS: 8.8
  • EPSS (probability of exploitation within 30 days): 3.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 March 2022
  • First known exploitation: 3 March 2022
  • CISA's deadline for US federal agencies: 17 March 2022
  • Weakness: CWE-119
  • First seen by Risk Letters: 3 March 2022

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD