CVE-1999-0453
Overview
CVE-1999-0453 is a known-severity vulnerability affecting cisco router. It was published on January 1, 1999.
Technical Description
An attacker can identify a CISCO device by sending a SYN packet to port 1999, which is for the Cisco Discovery Protocol (CDP).
Remediation
Check the references section for vendor advisories and patches from cisco. Update router to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|
Frequently Asked Questions
What is CVE-1999-0453?
CVE-1999-0453 is a known-severity vulnerability affecting cisco router. It was published on January 1, 1999.
How severe is CVE-1999-0453?
CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.
How do I fix or remediate CVE-1999-0453?
Check the references section for vendor advisories and patches from cisco. Update router to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-1999-0453?
CyberStrike's AI-powered security agents can automatically detect CVE-1999-0453 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.