Risk Letters

Exploited vulnerability

CVE-2004-1464

TLP:CLEAR

Cisco IOS Denial-of-Service Vulnerability

Cisco IOS contains an unspecified vulnerability that may block further telnet, reverse telnet, Remote Shell (RSH), Secure Shell (SSH), and in some cases, Hypertext Transport Protocol (HTTP) access to the Cisco device.

Facts

  • Vendor: Cisco
  • Product: IOS
  • CVSS: 5.9
  • EPSS (probability of exploitation within 30 days): 4.8 %
  • On CISA's Known Exploited Vulnerabilities list since: 19 May 2023
  • First known exploitation: 19 May 2023
  • CISA's deadline for US federal agencies: 9 June 2023
  • First seen by Risk Letters: 19 May 2023

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