CVE-2003-0831

CVE-2003-0831 is a critical-severity vulnerability in Proftpd Project Proftpd with a CVSS 2.0 base score of 9.0. Its EPSS exploit-prediction score of 55% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

ProFTPD 1.2.7 through 1.2.9rc2 does not properly translate newline characters when transferring files in ASCII mode, which allows remote attackers to execute arbitrary code via a buffer overflow using certain files.

Frequently asked questions

What is CVE-2003-0831?
ProFTPD 1.2.7 through 1.2.9rc2 does not properly translate newline characters when transferring files in ASCII mode, which allows remote attackers to execute arbitrary code via a buffer overflow using certain files.
How severe is CVE-2003-0831?
CVE-2003-0831 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2003-0831 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 55% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0831?
CVE-2003-0831 primarily affects Proftpd Project Proftpd. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0831?
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-2003-0831 published?
CVE-2003-0831 was published on 2003-11-17 and last updated on 2026-06-16.

References

Affected products (9)

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