What’s Vulnerable › Vulnerabilities

CVE-2003-0121

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2003-03-18 · updated 2026-06-16

Description

Clearswift MAILsweeper 4.x allows remote attackers to bypass attachment detection via an attachment that does not specify a MIME-Version header field, which is processed by some mail clients.

Affected products

• Clearswift Mailsweeper: 4.0, 4.1, 4.2, 4.3

References

• http://marc.info/?l=bugtraq&m=104716030503607&w=2
• http://www.securityfocus.com/archive/1/316311
• http://www.securityfocus.com/bid/7044
• http://marc.info/?l=bugtraq&m=104716030503607&w=2
• http://www.securityfocus.com/archive/1/316311
• http://www.securityfocus.com/bid/7044

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