CVE-1999-0453 medium

Description

An attacker can identify a CISCO device by sending a SYN packet to port 1999, which is for the Cisco Discovery Protocol (CDP).

Indicators of Compromise (0)

No indicators of compromise on this threat.

References (2)

• cve@mitre.org NVD Recent CVEs
• NVD detail: CVE-1999-0453 NVD Recent CVEs

  An attacker can identify a CISCO device by sending a SYN packet to port 1999, which is for the Cisco Discovery Protocol (CDP).

• CVEs and Security Vulnerabilities - OpenCVE
  web:app.opencve.io

  Explore the latest vulnerabilities and security issues in the CVE database

  2026-05-22 20:24 UTC
• CVE Vault - CVE Database & Security Research Hub
  web:cvevault.com

  CVE Vault - Search and explore Common Vulnerabilities and Exposures ( CVE ) database. Find security vulnerabilities by CVE ID, vendor, severity, and year. Stay secure with comprehensive CVE information.

  2026-05-22 20:24 UTC
• CWE - Common Weakness Enumeration
  web:cwe.mitre.org

  Common Weakness Enumeration (CWE) is a list of software and hardware weaknesses.

  2026-05-22 20:24 UTC
• Security Update Guide - Microsoft
  web:portal.msrc.microsoft.com

  The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

  2026-05-22 20:24 UTC
• Google Translate
  web:translate.google.com

  Google's service, offered free of charge, instantly translates words, phrases, and web pages between English and over 100 other languages.

  2026-05-22 20:24 UTC
• CVE: Common Vulnerabilities and Exposures
  web:www.cve.org

  At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures

  2026-05-22 20:24 UTC
• Fix list for IBM MQ Version 9.3 LTS
  web:www.ibm.com

  IBM MQ provides periodic maintenance releases ( Fix Packs), and Cumulative Security Updates, for Version 9.3.0 Long Term Support (LTS). The following is a complete listing of available fixes grouped by maintenance delivery.

  2026-05-22 20:24 UTC
• National Vulnerability Database | NIST
  web:www.nist.gov

  NIST maintains the National Vulnerability Database (NVD), a repository of information on software and hardware flaws that can compromise computer security. This is a key piece of the nation's cybersecurity infrastructure.

  2026-05-22 20:24 UTC
• Critical Patch Updates, Critical Security Patch Updates ... - Oracle
  web:www.oracle.com

  Critical Security Patch Updates Critical Security Patch Updates provide security patches for supported Oracle on-premises products. A Critical Security Patch Update provides targeted, high-priority security fixes in a smaller, more focused format, making them easier to apply with minimal disruption.

  2026-05-22 20:24 UTC
• VirusTotal - Home
  web:www.virustotal.com

  VirusTotal is a platform for scanning files and URLs for viruses, malware, and other threats using multiple antivirus engines.

  2026-05-22 20:24 UTC

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