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Status published
Medium
CVE-1999-0453
An attacker can identify a CISCO device by sending a...
Vulnerability Description
An attacker can identify a CISCO device by sending a SYN packet to port 1999, which is for the Cisco Discovery Protocol (CDP).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
cisco
View all reports →Affected Software
router
Vulnerable Versions:
Unknown
Timeline
Official Publish:
February 4th, 2000
Last Modified:
August 1st, 2024
Added to House:
July 17th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.