CVE-1999-0453

MEDIUM · CVSS 5 EPSS 1.42%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 1999-01-01 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.0. It affects Cisco.

CVE

CVE-1999-0453

Severity

MEDIUM

CVSS

EPSS

1.42%

Cisco

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