CVE-2003-1477

CVE-2003-1477 is a high-severity vulnerability in Clearswift Mailsweeper For Smtp with a CVSS 2.0 base score of 7.8. 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-119.

Key facts

Description

MAILsweeper for SMTP 4.3.6 and 4.3.7 allows remote attackers to cause a denial of service (CPU consumption) via a PowerPoint attachment that either (1) is corrupt or (2) contains "embedded objects."

Frequently asked questions

What is CVE-2003-1477?
MAILsweeper for SMTP 4.3.6 and 4.3.7 allows remote attackers to cause a denial of service (CPU consumption) via a PowerPoint attachment that either (1) is corrupt or (2) contains "embedded objects."
How severe is CVE-2003-1477?
CVE-2003-1477 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2003-1477 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1477?
CVE-2003-1477 primarily affects Clearswift Mailsweeper For Smtp. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-1477?
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-2003-1477 published?
CVE-2003-1477 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (2)

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