CVE-2014-8639 describes a session fixation vulnerability in Mozilla Firefox, Firefox ESR, Thunderbird, and SeaMonkey versions prior to their respective updates. The flaw allows remote HTTP proxy servers to conduct session fixation attacks by improperly interpreting Set-Cookie headers within 407 (Proxy Authentication Required) responses, enabling them to provide a cookie name matching the origin server's session cookie. With a CVSS score of 6.8, this vulnerability is of medium severity, requiring medium attack complexity and potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.31CPE matchmatch criteria | cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* | ||
<= 34.0.5CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
31.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:31.0:*:*:*:*:*:*:* | ||
31.1.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:31.1.0:*:*:*:*:*:*:* | ||
31.1.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:31.1.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.