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Description

Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use non-standard but frequently supported Content-Transfer-Encoding values such as (1) uuencode, (2) mac-binhex40, and (3) yenc, which may be interpreted differently by mail clients.

CVSS Vector Breakdown

AV:NAC:LAu:NC:PI:PA:P
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:PIntegrity
Partial
A:PAvailability
Partial

Weaknesses

Affected Products

f-securecommercialFISecurity Productsaka fsecure, f-secure
paul l danielsindividual-devCommunicationsaka ripmime, inflex, signaturedb

Exploitability

Official Patch Available

References

Timeline

Published
Sep 24, 2004
Last Updated
Apr 16, 2026

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