CVE-2004-2703

CVE-2004-2703 is a medium-severity vulnerability in Clearswift Mailsweeper Business Suite I with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

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".

Frequently asked questions

What is CVE-2004-2703?
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".
How severe is CVE-2004-2703?
CVE-2004-2703 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2004-2703 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2703?
CVE-2004-2703 primarily affects Clearswift Mailsweeper Business Suite I. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-2703?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2703 published?
CVE-2004-2703 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (4)

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