Vulnerability Details : CVE-2014-8639

Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 do not properly interpret Set-Cookie headers within responses that have a 407 (aka Proxy Authentication Required) status code, which allows remote HTTP proxy servers to conduct session fixation attacks by providing a cookie name that corresponds to the session cookie of the origin server.
Published 2015-01-14 11:59:08
Updated 2017-09-08 01:29:26
Source Mozilla Corporation
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2014-8639

EPSS FAQ
1.78%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2014-8639

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST

References for CVE-2014-8639

Products affected by CVE-2014-8639

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