CVE-2003-1171

NONECVSS 0.0

0.0

Heap-based buffer overflow in the sec_filter_out function in mod_security 1.7RC1 through 1.7.1 in Apache 2 allows remote attackers to execute arbitrary code via a server side script that sends a large amount of data.

CVSS v3: —
EG Score: —
EPSS: 91.5%
KEV: Not listed

Published

December 31, 2003

Last Modified

April 16, 2026

References (14)

cve@mitrehttp://adsystems.com.pl/adg-mod_security171.txt
cve@mitrehttp://secunia.com/advisories/10085
cve@mitrehttp://securitytracker.com/id?1008025
cve@mitrehttp://www.modsecurity.org/download/CHANGES
cve@mitrehttp://www.securityfocus.com/archive/1/342767
cve@mitrehttp://www.securityfocus.com/bid/8919
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/13543
af854a3a-2127-422b-91ae-364da2661108http://adsystems.com.pl/adg-mod_security171.txt
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/10085
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1008025
af854a3a-2127-422b-91ae-364da2661108http://www.modsecurity.org/download/CHANGES
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/342767
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/8919
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/13543

Data Freshness Timeline

(refreshed 10× in last 7d / 15× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
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2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2003-1171?

CVE-2003-1171 is a none vulnerability published on December 31, 2003. Heap-based buffer overflow in the secfilterout function in mod_security 1.7RC1 through 1.7.1 in Apache 2 allows remote attackers to execute arbitrary code via a server side script that sends a large amount of data.

When was CVE-2003-1171 disclosed?

CVE-2003-1171 was first published in the National Vulnerability Database on December 31, 2003, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2003-1171 actively exploited?

CVE-2003-1171 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-1171?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-1171, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2003-1171

📅 Published

🔄 Last Modified

🔗 References (14)