CVE-2003-0993
UnknownEPSS 9.74%
Last modified
CVE-2003-0993 is a vulnerability of currently unknown severity. mod_access in Apache 1.3 before 1.3.30, when running big-endian 64-bit platforms, does not properly parse Allow/Deny rules using IP addresses without a netmask, which could allow remote attackers to bypass intended access restrictions.. EPSS estimates a 9.74% chance of exploitation in the next 30 days.
Description
mod_access in Apache 1.3 before 1.3.30, when running big-endian 64-bit platforms, does not properly parse Allow/Deny rules using IP addresses without a netmask, which could allow remote attackers to bypass intended access restrictions.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | 1.3 |
| Apache | Http Server | 1.3.1 |
| Apache | Http Server | 1.3.3 |
| Apache | Http Server | 1.3.4 |
| Apache | Http Server | 1.3.6 |
| Apache | Http Server | 1.3.7 |
| Apache | Http Server | 1.3.9 |
| Apache | Http Server | 1.3.11 |
| Apache | Http Server | 1.3.12 |
| Apache | Http Server | 1.3.14 |
| Apache | Http Server | 1.3.17 |
| Apache | Http Server | 1.3.18 |
| Apache | Http Server | 1.3.19 |
| Apache | Http Server | 1.3.20 |
| Apache | Http Server | 1.3.22 |
| Apache | Http Server | 1.3.23 |
| Apache | Http Server | 1.3.24 |
| Apache | Http Server | 1.3.25 |
| Apache | Http Server | 1.3.26 |
| Apache | Http Server | 1.3.27 |
| Apache | Http Server | 1.3.28 |
| Apache | Http Server | 1.3.29 |
References
- http://www.apacheweek.com/features/security-13Vendor Advisory
- http://www.securityfocus.com/bid/9829Patch, Vendor Advisory
- http://www.apacheweek.com/features/security-13Vendor Advisory
- http://www.securityfocus.com/bid/9829Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2003-0993?
mod_access in Apache 1.3 before 1.3.30, when running big-endian 64-bit platforms, does not properly parse Allow/Deny rules using IP addresses without a netmask, which could allow remote attackers to bypass intended access restrictions.
How severe is CVE-2003-0993?
Severity scoring for CVE-2003-0993 is pending analysis. The EPSS model estimates a 9.74% probability of exploitation in the next 30 days.
How do I fix CVE-2003-0993?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2003-0993?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST