CVE-2003-1154

CVE-2003-1154 is a high-severity vulnerability in Clearswift Mailsweeper with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

MAILsweeper for SMTP 4.3 allows remote attackers to bypass virus protection via a mail message with a malformed zip attachment, as exploited by certain MIMAIL virus variants.

Frequently asked questions

What is CVE-2003-1154?
MAILsweeper for SMTP 4.3 allows remote attackers to bypass virus protection via a mail message with a malformed zip attachment, as exploited by certain MIMAIL virus variants.
How severe is CVE-2003-1154?
CVE-2003-1154 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-1154 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1154?
CVE-2003-1154 primarily affects Clearswift Mailsweeper. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-1154?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2003-1154 published?
CVE-2003-1154 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (12)

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