CVE-2009-2071
Google Chrome before 1.0.154.53 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-287
- EPSS score
- 1.0% (64th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2067)
- Published
- June 15, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2067 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
- google / chrome
References
- http://code.google.com/p/chromium/issues/detail?id=7338
- http://code.google.com/p/chromium/issues/detail?id=8473
- http://research.microsoft.com/apps/pubs/default.aspx?id=79323
- http://research.microsoft.com/pubs/79323/pbp-final-with-update.pdf
- http://sites.google.com/a/chromium.org/dev/getting-involved/dev-channel/release-notes/releasenotes1015453(Patch)
- http://src.chromium.org/viewvc/chrome/branches/release_154.next/src/net/http/http_transaction_winhttp.cc?r1=11621&r2=11669&pathrev=11669(Patch)
- http://src.chromium.org/viewvc/chrome?view=rev&revision=11669
- http://www.securityfocus.com/bid/35411
- https://bugzilla.mozilla.org/show_bug.cgi?id=479880
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain