CVE-2003-0033

CVE-2003-0033 is a critical-severity vulnerability in Snort with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Buffer overflow in the RPC preprocessor for Snort 1.8 and 1.9.x before 1.9.1 allows remote attackers to execute arbitrary code via fragmented RPC packets.

Frequently asked questions

What is CVE-2003-0033?
Buffer overflow in the RPC preprocessor for Snort 1.8 and 1.9.x before 1.9.1 allows remote attackers to execute arbitrary code via fragmented RPC packets.
How severe is CVE-2003-0033?
CVE-2003-0033 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2003-0033 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0033?
CVE-2003-0033 primarily affects Snort. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0033?
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-2003-0033 published?
CVE-2003-0033 was published on 2003-03-07 and last updated on 2026-06-16.

References

Affected products (9)

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