CVE-2009-2057
UnknownEPSS 3.03%
Last modified
CVE-2009-2057 is a vulnerability of currently unknown severity. Microsoft Internet Explorer before 8 uses the HTTP Host header to determine the context of a document provided in a (1) 4xx or (2) 5xx CONNECT response from a proxy server, which allows man-in-the-middle attackers to execute arbitrary web script by modifying this CONNECT response, aka an "SSL tampering" attack.. EPSS estimates a 3.03% chance of exploitation in the next 30 days.
Description
Microsoft Internet Explorer before 8 uses the HTTP Host header to determine the context of a document provided in a (1) 4xx or (2) 5xx CONNECT response from a proxy server, which allows man-in-the-middle attackers to execute arbitrary web script by modifying this CONNECT response, aka an "SSL tampering" attack.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Ie | 5.0 | Sp1 |
| Microsoft | Ie | 5.22 | — |
| Microsoft | Ie | 6.0 | Sp1 |
| Microsoft | Internet Explorer | 3.0 | — |
| Microsoft | Internet Explorer | 3.0.1 | — |
| Microsoft | Internet Explorer | 3.0.2 | — |
| Microsoft | Internet Explorer | 3.1 | — |
| Microsoft | Internet Explorer | 3.2 | — |
| Microsoft | Internet Explorer | 4.0 | — |
| Microsoft | Internet Explorer | 4.0.1 | — |
| Microsoft | Internet Explorer | 4.01 | — |
| Microsoft | Internet Explorer | 4.1 | — |
| Microsoft | Internet Explorer | 4.5 | — |
| Microsoft | Internet Explorer | 4.40.308 | — |
| Microsoft | Internet Explorer | 4.40.520 | — |
| Microsoft | Internet Explorer | 4.70.1155 | — |
| Microsoft | Internet Explorer | 4.70.1158 | — |
| Microsoft | Internet Explorer | 4.70.1215 | — |
| Microsoft | Internet Explorer | 4.70.1300 | — |
| Microsoft | Internet Explorer | 4.71.544 | — |
| Microsoft | Internet Explorer | 4.71.1008.3 | — |
| Microsoft | Internet Explorer | 4.71.1712.6 | — |
| Microsoft | Internet Explorer | 4.72.2106.8 | — |
| Microsoft | Internet Explorer | 4.72.3110.8 | — |
| Microsoft | Internet Explorer | 4.72.3612.1713 | — |
| Microsoft | Internet Explorer | 5 | — |
| Microsoft | Internet Explorer | 5.0 | — |
| Microsoft | Internet Explorer | 5.0.1 | — |
| Microsoft | Internet Explorer | 5.00.0518.10 | — |
| Microsoft | Internet Explorer | 5.00.0910.1309 | — |
| Microsoft | Internet Explorer | 5.00.2014.0216 | — |
| Microsoft | Internet Explorer | 5.00.2314.1003 | — |
| Microsoft | Internet Explorer | 5.00.2614.3500 | — |
| Microsoft | Internet Explorer | 5.00.2919.800 | — |
| Microsoft | Internet Explorer | 5.00.2919.3800 | — |
| Microsoft | Internet Explorer | 5.00.2919.6307 | — |
| Microsoft | Internet Explorer | 5.00.2920.0000 | — |
| Microsoft | Internet Explorer | 5.00.3103.1000 | — |
| Microsoft | Internet Explorer | 5.00.3105.0106 | — |
| Microsoft | Internet Explorer | 5.00.3314.2101 | — |
| Microsoft | Internet Explorer | 5.00.3315.1000 | — |
| Microsoft | Internet Explorer | 5.00.3502.1000 | — |
| Microsoft | Internet Explorer | 5.00.3700.1000 | — |
| Microsoft | Internet Explorer | 5.01 | — |
| Microsoft | Internet Explorer | 5.1 | — |
| Microsoft | Internet Explorer | 5.2.3 | — |
| Microsoft | Internet Explorer | 5.5 | — |
| Microsoft | Internet Explorer | 5.50.3825.1300 | — |
| Microsoft | Internet Explorer | 5.50.4030.2400 | — |
| Microsoft | Internet Explorer | 5.50.4134.0600 | — |
Showing 50 of 74 affected configurations. See NVD for the full list.
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2009-2057?
Microsoft Internet Explorer before 8 uses the HTTP Host header to determine the context of a document provided in a (1) 4xx or (2) 5xx CONNECT response from a proxy server, which allows man-in-the-middle attackers to execute arbitrary web script by modifying this CONNECT response, aka an "SSL tampering" attack.
How severe is CVE-2009-2057?
Severity scoring for CVE-2009-2057 is pending analysis. The EPSS model estimates a 3.03% probability of exploitation in the next 30 days.
How do I fix CVE-2009-2057?
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-2009-2057?
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Scan your code nowSource: NVD / NIST