## Description

Microsoft Exchange 5.5 allows a remote attacker to relay email (i.e. spam) using encapsulated SMTP addresses, even if the anti-relaying features are enabled.

## Severity

Overall Severity: N/A

### CVSS Metrics

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

## Affected Products

### microsoft - exchange_server

Affected Versions:

- 5.5

### microsoft - exchange_server

Affected Versions:

- 5.5

### microsoft - exchange_server

Affected Versions:

- 5.5

## References

- http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ237927
- http://www.ciac.org/ciac/bulletins/j-056.shtml
  Broken Link
- http://www.securityfocus.com/bid/567
  Third Party Advisory VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-027
  Patch Vendor Advisory
- http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ237927
- http://www.ciac.org/ciac/bulletins/j-056.shtml
  Broken Link
- http://www.securityfocus.com/bid/567
  Third Party Advisory VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-027
  Patch Vendor Advisory

Neural Processor Active