CVE-1999-1481
UnknownEPSS 3.57%
Last modified
CVE-1999-1481 is a vulnerability of currently unknown severity. Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.. EPSS estimates a 3.57% chance of exploitation in the next 30 days.
Description
Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| National Science Foundation | Squid Web Proxy | 1.0 |
| National Science Foundation | Squid Web Proxy | 1.0novm |
| National Science Foundation | Squid Web Proxy | 1.1 |
| National Science Foundation | Squid Web Proxy | 2.1 |
| National Science Foundation | Squid Web Proxy | 2.2 |
References
- http://www.securityfocus.com/bid/741Exploit, Patch, Vendor Advisory
- http://www.squid-cache.org/Versions/v2/2.2/bugs/Patch, Vendor Advisory
- http://www.securityfocus.com/bid/741Exploit, Patch, Vendor Advisory
- http://www.squid-cache.org/Versions/v2/2.2/bugs/Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-1999-1481?
Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.
How severe is CVE-1999-1481?
Severity scoring for CVE-1999-1481 is pending analysis. The EPSS model estimates a 3.57% probability of exploitation in the next 30 days.
How do I fix CVE-1999-1481?
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-1999-1481?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST