## Description

Denial of service to NT mail servers including Ipswitch, Mdaemon, and Exchange through a buffer overflow in the SMTP HELO command.

## Severity

Overall Severity: N/A

### CVSS Metrics

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

## Affected Products

### ibm - lotus_domino_mail_server

Affected Versions:

- *

### microsoft - exchange_server

Affected Versions:

- 4.0

### microsoft - exchange_server

Affected Versions:

- 5.0

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0284
- https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0284

Neural Processor Active