CVE-2003-0280

CVE-2003-0280 is a critical-severity vulnerability in Youngzsoft Cmailserver with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Multiple buffer overflows in the SMTP Service for ESMTP CMailServer 4.0.2003.03.27 allow remote attackers to execute arbitrary code via long (1) MAIL FROM or (2) RCPT TO commands.

Frequently asked questions

What is CVE-2003-0280?
Multiple buffer overflows in the SMTP Service for ESMTP CMailServer 4.0.2003.03.27 allow remote attackers to execute arbitrary code via long (1) MAIL FROM or (2) RCPT TO commands.
How severe is CVE-2003-0280?
CVE-2003-0280 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2003-0280 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0280?
CVE-2003-0280 affects Youngzsoft Cmailserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0280?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2003-0280 published?
CVE-2003-0280 was published on 2003-06-16 and last updated on 2026-06-16.

References

Affected products (1)

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