Risk Letters

Exploited vulnerability

CVE-2017-12231

TLP:CLEAR

Cisco IOS Software Network Address Translation Denial-of-Service Vulnerability

A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS could allow an unauthenticated, remote attacker to cause a denial of service.

Facts

  • Vendor: Cisco
  • Product: IOS software
  • CVSS: 7.5
  • EPSS (probability of exploitation within 30 days): 7.1 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 March 2022
  • First known exploitation: 3 March 2022
  • CISA's deadline for US federal agencies: 24 March 2022
  • Weakness: CWE-399
  • First seen by Risk Letters: 3 March 2022

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