What’s Vulnerable › Vulnerabilities

CVE-2003-1330

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2003-12-31 · updated 2026-06-16

Description

Clearswift MAILsweeper for SMTP 4.3.6 SP1 does not execute custom "on strip unsuccessful" hooks, which allows remote attackers to bypass e-mail attachment filtering policies via an attachment that MAILsweeper can detect but not remove.

Affected products

• Clearswift Limited Mailsweeper: 4.3.6_sp1

References

• http://www.mimesweeper.com/download/bin/Patches/MAILsweeper_Patches_301_ReadMe.htm
• http://www.securityfocus.com/bid/7226
• https://exchange.xforce.ibmcloud.com/vulnerabilities/11745
• http://www.mimesweeper.com/download/bin/Patches/MAILsweeper_Patches_301_ReadMe.htm
• http://www.securityfocus.com/bid/7226
• https://exchange.xforce.ibmcloud.com/vulnerabilities/11745

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