CVE-2000-1006
Microsoft Exchange Server 5.5 does not properly handle a MIME header with a blank charset...
Microsoft Exchange Server 5.5 does not properly handle a MIME header with a blank charset specified, which allows remote attackers to cause a denial of service via a charset="" command, aka the "Malformed MIME Header" vulnerability.
Exploit likelihood
What each source reports
NVD Score used
Microsoft Exchange Server 5.5 does not properly handle a MIME header with a blank charset specified, which allows remote attackers to cause a denial of service via a charset="" command, aka the "Malformed MIME Header" vulnerability.
- Record
CVE-2000-1006- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Microsoft Exchange Server 5.5 does not properly handle a MIME header with a blank charset specified, which allows remote attackers to cause a denial of service via a charset="" command, aka the "Malformed MIME Header" vulnerability.
- Record
CVE-2000-1006- Updated
- 2026-11-02
EUVDEUVD-2000-0993 No score
Microsoft Exchange Server 5.5 does not properly handle a MIME header with a blank charset specified, which allows remote attackers to cause a denial of service via a charset="" command, aka the "Malformed MIME Header" vulnerability.
- Record
EUVD-2000-0993- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mcv5-j53r-62hw No score
Microsoft Exchange Server 5.5 does not properly handle a MIME header with a blank charset...
Microsoft Exchange Server 5.5 does not properly handle a MIME header with a blank charset specified, which allows remote attackers to cause a denial of service via a charset="" command, aka the "Malformed MIME Header" vulnerability.
- Record
GHSA-mcv5-j53r-62hw- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-1006 is a medium vulnerability (CVSS 5.0) in Microsoft Exchange Server, published December 11, 2000. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 14.8%, the 96th percentile. No source names a fixed version.