## Description

Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.

## Severity

Overall Severity: N/A

### CVSS Metrics

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

## Affected Products

### cisco - ios

Affected Versions:

- 11.3aa

### cisco - ios

Affected Versions:

- 11.3db

### cisco - ios

Affected Versions:

- 12.0

### cisco - ios

Affected Versions:

- 12.0\(1\)w

### cisco - ios

Affected Versions:

- 12.0\(1\)xa3

### cisco - ios

Affected Versions:

- 12.0\(1\)xb

### cisco - ios

Affected Versions:

- 12.0\(1\)xe

### cisco - ios

Affected Versions:

- 12.0\(2\)xc

### cisco - ios

Affected Versions:

- 12.0\(2\)xd

### cisco - ios

Affected Versions:

- 12.0db

### cisco - ios

Affected Versions:

- 12.0s

### cisco - ios

Affected Versions:

- 12.0t

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0063
- https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0063

Neural Processor Active