CVE-2005-0194
UnknownEPSS 5.12%
Last modified
CVE-2005-0194 is a vulnerability of currently unknown severity. Squid 2.5, when processing the configuration file, parses empty Access Control Lists (ACLs), including proxy_auth ACLs without defined auth schemes, in a way that effectively removes arguments, which could allow remote attackers to bypass intended ACLs if the administrator ignores the parser warnings.. EPSS estimates a 5.12% chance of exploitation in the next 30 days.
Description
Squid 2.5, when processing the configuration file, parses empty Access Control Lists (ACLs), including proxy_auth ACLs without defined auth schemes, in a way that effectively removes arguments, which could allow remote attackers to bypass intended ACLs if the administrator ignores the parser warnings.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Squid | Squid | 2.0.patch1 |
| Squid | Squid | 2.0.patch2 |
| Squid | Squid | 2.0.pre1 |
| Squid | Squid | 2.0.release |
| Squid | Squid | 2.1.patch1 |
| Squid | Squid | 2.1.patch2 |
| Squid | Squid | 2.1.pre1 |
| Squid | Squid | 2.1.pre3 |
| Squid | Squid | 2.1.pre4 |
| Squid | Squid | 2.1.release |
| Squid | Squid | 2.2.devel3 |
| Squid | Squid | 2.2.devel4 |
| Squid | Squid | 2.2.pre1 |
| Squid | Squid | 2.2.pre2 |
| Squid | Squid | 2.2.stable1 |
| Squid | Squid | 2.2.stable2 |
| Squid | Squid | 2.2.stable3 |
| Squid | Squid | 2.2.stable4 |
| Squid | Squid | 2.2.stable5 |
| Squid | Squid | 2.3.devel2 |
| Squid | Squid | 2.3.devel3 |
| Squid | Squid | 2.3.stable1 |
| Squid | Squid | 2.3.stable2 |
| Squid | Squid | 2.3.stable3 |
| Squid | Squid | 2.3.stable4 |
| Squid | Squid | 2.3.stable5 |
| Squid | Squid | 2.4.stable1 |
| Squid | Squid | 2.4.stable2 |
| Squid | Squid | 2.4.stable3 |
| Squid | Squid | 2.4.stable4 |
| Squid | Squid | 2.4.stable6 |
| Squid | Squid | 2.4.stable7 |
| Squid | Squid | 2.5.stable1 |
| Squid | Squid | 2.5.stable2 |
| Squid | Squid | 2.5.stable3 |
| Squid | Squid | 2.5.stable4 |
| Squid | Squid | 2.5.stable5 |
| Squid | Squid | 2.5.stable6 |
References
- http://www.debian.org/security/2005/dsa-667Patch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/260421Patch, Third Party Advisory, US Government Resource
- http://www.squid-cache.org/bugs/show_bug.cgi?id=1166Vendor Advisory
- http://www.debian.org/security/2005/dsa-667Patch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/260421Patch, Third Party Advisory, US Government Resource
- http://www.squid-cache.org/bugs/show_bug.cgi?id=1166Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2005-0194?
Squid 2.5, when processing the configuration file, parses empty Access Control Lists (ACLs), including proxy_auth ACLs without defined auth schemes, in a way that effectively removes arguments, which could allow remote attackers to bypass intended ACLs if the administrator ignores the parser warnings.
How severe is CVE-2005-0194?
Severity scoring for CVE-2005-0194 is pending analysis. The EPSS model estimates a 5.12% probability of exploitation in the next 30 days.
How do I fix CVE-2005-0194?
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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