## Description

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

## Severity

Overall Severity: N/A

### CVSS Metrics

Type | Score | Severity | Vector
--- | --- | --- | ---

## Affected Products

### cisco - router

Affected Versions:

- *

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0453
- https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0453

Neural Processor Active