Vulnerability Report

CVE-2015-7575

Title: Mozilla Firefox

Other

Proof Of Concept

No public PoC currently indexed for CVE-2015-7575.

CWE Category CWE-19

Published Date Jan 09, 2016

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 5.9 CVSS v3.0

Exploit Probability (EPSS)

2.88%

Vulnerability Summary

CVE-2015-7575: Mozilla Network Security Services (NSS) before 3.20.2, as used in Mozilla Firefox before 43.0.2 and Firefox ESR 38.x before 38.5.2, does not reject MD5 signatures in Server Key Exchange messages in TLS 1.2 Handshake Protocol traffic, which makes it easier for man-in-the-middle attackers to spoof servers by triggering a collision.

Impacted Vendors

mozilla 2

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00038.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00041.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00042.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00043.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00048.html http://lists.opensuse.org/opensuse-updates/2015-12/msg00139.html http://lists.opensuse.org/opensuse-updates/2016-01/msg00005.html http://lists.opensuse.org/opensuse-updates/2016-01/msg00058.html http://lists.opensuse.org/opensuse-updates/2016-01/msg00059.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00101.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00166.html http://rhn.redhat.com/errata/RHSA-2016-0049.html http://rhn.redhat.com/errata/RHSA-2016-0050.html http://rhn.redhat.com/errata/RHSA-2016-0053.html http://rhn.redhat.com/errata/RHSA-2016-0054.html http://rhn.redhat.com/errata/RHSA-2016-0055.html http://rhn.redhat.com/errata/RHSA-2016-0056.html http://www.debian.org/security/2016/dsa-3436 http://www.debian.org/security/2016/dsa-3437 http://www.debian.org/security/2016/dsa-3457 http://www.debian.org/security/2016/dsa-3458 http://www.debian.org/security/2016/dsa-3465 http://www.debian.org/security/2016/dsa-3491 http://www.debian.org/security/2016/dsa-3688 http://www.mozilla.org/security/announce/2015/mfsa2015-150.html http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/79684 http://www.securityfocus.com/bid/91787 http://www.securitytracker.com/id/1034541 http://www.securitytracker.com/id/1036467 http://www.ubuntu.com/usn/USN-2863-1 http://www.ubuntu.com/usn/USN-2864-1 http://www.ubuntu.com/usn/USN-2865-1 http://www.ubuntu.com/usn/USN-2866-1 http://www.ubuntu.com/usn/USN-2884-1 http://www.ubuntu.com/usn/USN-2904-1 https://access.redhat.com/errata/RHSA-2016:1430 https://bugzilla.mozilla.org/show_bug.cgi?id=1158489 https://developer.mozilla.org/docs/Mozilla/Projects/NSS/NSS_3.20.2_release_notes https://security.gentoo.org/glsa/201701-46 https://security.gentoo.org/glsa/201706-18 https://security.gentoo.org/glsa/201801-15 https://security.netapp.com/advisory/ntap-20160225-0001/ http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00038.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00041.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00042.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00043.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00048.html http://lists.opensuse.org/opensuse-updates/2015-12/msg00139.html http://lists.opensuse.org/opensuse-updates/2016-01/msg00005.html http://lists.opensuse.org/opensuse-updates/2016-01/msg00058.html http://lists.opensuse.org/opensuse-updates/2016-01/msg00059.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00101.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00166.html http://rhn.redhat.com/errata/RHSA-2016-0049.html http://rhn.redhat.com/errata/RHSA-2016-0050.html http://rhn.redhat.com/errata/RHSA-2016-0053.html http://rhn.redhat.com/errata/RHSA-2016-0054.html http://rhn.redhat.com/errata/RHSA-2016-0055.html http://rhn.redhat.com/errata/RHSA-2016-0056.html http://www.debian.org/security/2016/dsa-3436 http://www.debian.org/security/2016/dsa-3437 http://www.debian.org/security/2016/dsa-3457 http://www.debian.org/security/2016/dsa-3458 http://www.debian.org/security/2016/dsa-3465 http://www.debian.org/security/2016/dsa-3491 http://www.debian.org/security/2016/dsa-3688 http://www.mozilla.org/security/announce/2015/mfsa2015-150.html http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/79684 http://www.securityfocus.com/bid/91787 http://www.securitytracker.com/id/1034541 http://www.securitytracker.com/id/1036467 http://www.ubuntu.com/usn/USN-2863-1 http://www.ubuntu.com/usn/USN-2864-1 http://www.ubuntu.com/usn/USN-2865-1 http://www.ubuntu.com/usn/USN-2866-1 http://www.ubuntu.com/usn/USN-2884-1 http://www.ubuntu.com/usn/USN-2904-1 https://access.redhat.com/errata/RHSA-2016:1430 https://bugzilla.mozilla.org/show_bug.cgi?id=1158489 https://developer.mozilla.org/docs/Mozilla/Projects/NSS/NSS_3.20.2_release_notes https://security.gentoo.org/glsa/201701-46 https://security.gentoo.org/glsa/201706-18 https://security.gentoo.org/glsa/201801-15 https://security.netapp.com/advisory/ntap-20160225-0001/

CVSS v3.0

Source Entity [email protected]

Severity MEDIUM

5.9

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-7575 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

January 09, 2016 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity HIGH

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.