Risk Letters

Exploited vulnerability

CVE-2018-0171

TLP:CLEAR

Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability

Cisco IOS and IOS XE Software improperly validates packet data, allowing an unauthenticated, remote attacker to trigger a reload of an affected device, cause a denial-of-service (DoS) condition, or perform code execution on the affected device.

Facts

  • Vendor: Cisco
  • Product: IOS and IOS XE
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 99.5 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • CISA's deadline for US federal agencies: 3 May 2022
  • Weakness: CWE-20
  • First seen by Risk Letters: 3 November 2021

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

Get the full brief

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