CVE-2015-4515

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-11-05 · updated 2026-06-17
Weakness: CWE-200

Description

Mozilla Firefox before 42.0, when NTLM v1 is enabled for HTTP authentication, allows remote attackers to obtain sensitive hostname information by constructing a crafted web site that sends an NTLM request and reads the Workstation field of an NTLM type 3 message.

Affected products

Mozilla Firefox: through 41.0.2

References

http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
http://www.mozilla.org/security/announce/2015/mfsa2015-117.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securitytracker.com/id/1034069
http://www.ubuntu.com/usn/USN-2785-1
https://bugzilla.mozilla.org/show_bug.cgi?id=1046421
https://security.gentoo.org/glsa/201512-10
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
http://www.mozilla.org/security/announce/2015/mfsa2015-117.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securitytracker.com/id/1034069
http://www.ubuntu.com/usn/USN-2785-1

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