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.
References (3)
Core 3
Core References
Patch, Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-082
Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/1869
VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/5448
Scores
EPSS
0.1479
EPSS Percentile
96.4%
Details
Status
published
Products (1)
microsoft/exchange_server
5.5
Published
Dec 11, 2000
Tracked Since
Feb 18, 2026