## Description

Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login). This applies to some IOS 9.x, 10.x, and 11.x releases.

## Severity

Overall Severity: N/A

### CVSS Metrics

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

## Affected Products

### cisco - ios

Affected Versions:

- 9.1

### cisco - ios

Affected Versions:

- 11.0\(20.3\)

### cisco - ios

Affected Versions:

- 11.1\(15\)ca

### cisco - ios

Affected Versions:

- 11.1\(16\)

### cisco - ios

Affected Versions:

- 11.1\(16\)aa

### cisco - ios

Affected Versions:

- 11.1\(16\)ia

### cisco - ios

Affected Versions:

- 11.1\(17\)cc

### cisco - ios

Affected Versions:

- 11.1\(17\)ct

### cisco - ios

Affected Versions:

- 11.2\(8\)sa3

### cisco - ios

Affected Versions:

- 11.2\(9\)p

### cisco - ios

Affected Versions:

- 11.2\(9\)xa

### cisco - ios

Affected Versions:

- 11.2\(10\)

### cisco - ios

Affected Versions:

- 11.2\(10\)bc

### cisco - ios

Affected Versions:

- 11.3\(1\)

### cisco - ios

Affected Versions:

- 11.3\(1\)ed

### cisco - ios

Affected Versions:

- 11.3\(1\)t

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0159
- https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0159

Neural Processor Active