What’s Vulnerable › Vulnerabilities

CVE-2004-2703

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2004-12-31 · updated 2026-06-16
• Weakness: CWE-310

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".

Affected products

• 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

• http://download.mimesweeper.com/www/TechnicalDocumentation/MSWSMTP505UpdateReadMe.htm
• http://secunia.com/advisories/13160
• http://www.osvdb.org/11602
• http://www.securityfocus.com/bid/11669
• https://exchange.xforce.ibmcloud.com/vulnerabilities/18035
• http://download.mimesweeper.com/www/TechnicalDocumentation/MSWSMTP505UpdateReadMe.htm
• http://secunia.com/advisories/13160
• http://www.osvdb.org/11602
• http://www.securityfocus.com/bid/11669
• https://exchange.xforce.ibmcloud.com/vulnerabilities/18035

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