What’s Vulnerable › Vulnerabilities

CVE-2003-1171

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2003-12-31 · updated 2026-06-16

Description

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.

Affected products

• Mod Security: 1.7, 1.7.1

References

• http://adsystems.com.pl/adg-mod_security171.txt
• http://secunia.com/advisories/10085
• http://securitytracker.com/id?1008025
• http://www.modsecurity.org/download/CHANGES
• http://www.securityfocus.com/archive/1/342767
• http://www.securityfocus.com/bid/8919
• https://exchange.xforce.ibmcloud.com/vulnerabilities/13543
• http://adsystems.com.pl/adg-mod_security171.txt
• http://secunia.com/advisories/10085
• http://securitytracker.com/id?1008025
• http://www.modsecurity.org/download/CHANGES
• http://www.securityfocus.com/archive/1/342767

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