What’s Vulnerable › Vulnerabilities

CVE-2000-1006

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 14.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2000-12-11 · updated 2026-06-16

Description

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.

Affected products

• Microsoft Exchange Server: 5.5

References

• http://www.securityfocus.com/bid/1869
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-082
• https://exchange.xforce.ibmcloud.com/vulnerabilities/5448
• http://www.securityfocus.com/bid/1869
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-082
• https://exchange.xforce.ibmcloud.com/vulnerabilities/5448

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