CVE-2004-2703

Name: CVE-2004-2703
Creator: NVD / NIST
Published: 2004-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.12%

Last modified Jun 16, 2026

CVE-2004-2703 is a vulnerability of currently unknown severity. Clearswift MIMEsweeper 5.0.5, when it has been upgraded from MAILsweeper for SMTP version 4.3 or MAILsweeper Business Suite I or II, allows remote attackers to bypass scanning by including encrypted data in a mail message, which causes the message to be marked as "Clean" instead of "Encrypted".. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

Clearswift MIMEsweeper 5.0.5, when it has been upgraded from MAILsweeper for SMTP version 4.3 or MAILsweeper Business Suite I or II, allows remote attackers to bypass scanning by including encrypted data in a mail message, which causes the message to be marked as "Clean" instead of "Encrypted".

Metrics

EPSS Probability

1.12%

62.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-310

Affected Software

Vendor	Product	Versions
Clearswift	Mailsweeper Business Suite I	All versions
Clearswift	Mailsweeper Business Suite Ii	All versions
Clearswift	Mailsweeper For Smtp	4.3
Clearswift	Mimesweeper For Web	5.0.5

References

Timeline

Published: Dec 31, 2004
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2004-2703?

How severe is CVE-2004-2703?

Severity scoring for CVE-2004-2703 is pending analysis. The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2004-2703?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2004-2703?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST