CVEvulnerability

CVE-1999-0453

5.0 MEDIUM Published 1999-01-01 Modified 2026-06-16 Official page ↗
Status
Modified
Published
1999-01-01
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200

Description

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

Affected configurations

• cisco router

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References