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Vulnerability details: VCID-jjf8-bfjp-d7fk
Vulnerability ID VCID-jjf8-bfjp-d7fk
Aliases CVE-2014-8639
Summary Security researcher Xiaofeng Zheng of the Blue Lotus Team at Tsinghua University reported reported that a Web Proxy returning a 407 Proxy Authentication response with a Set-Cookie header could inject cookies into the originally requested domain. This could be used for session-fixation attacks. This attack only allows cookies to be written but does not allow them to be read. In general this flaw cannot be exploited through email in the Thunderbird product, but is potentially a risk in browser or browser-like contexts.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.80152
EPSS Score 0.01476
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:10:56.732508+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2015/mfsa2015-04.md 37.0.0