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Monday, December 8, 2025
Medium Published: Jan 01, 1999 Modified: Apr 03, 2025

CVE-1999-0453

5 CVSS
0 5 10
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
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Description

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

CVSS Vector Details

Attack Vector Network
Attack Complexity Low
Confidentiality P
Integrity None
Availability None

Affected Software Configurations

  • h cisco router * * * * * * * *

Weaknesses (CWE)

  • CWE-200