CVE-2009-0804
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to...
CVE-2009-0804 is a medium vulnerability (CVSS 5.4) in Ziproxy, published March 4, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.38%, the 83rd percentile. Fixed in ziproxy 2.7.2-1.
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.
Exploit likelihood
What each source reports
NVD Score used
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.
- Record
CVE-2009-0804- CVSS 2.0
- 5.4 Medium
AV:N/AC:H/Au:N/C:C/I:N/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.
- Record
CVE-2009-0804- Updated
- 2026-11-02
EUVDEUVD-2009-0802 No score
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.
- Record
EUVD-2009-0802- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3v7f-ppjx-349f No score
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to...
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.
- Record
GHSA-3v7f-ppjx-349f- Updated
- 2026-11-02
OSV No score
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.
- Record
CVE-2009-0804- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-0804 No score
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.
- Record
DEBIAN-CVE-2009-0804- Updated
- 2026-11-02
Affected products
Affected packages
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |