CVE-2015-4520
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
6.3 Medium
AI Score
Confidence
Low
0.016 Low
EPSS
Percentile
87.3%
Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allow remote attackers to bypass CORS preflight protection mechanisms by leveraging (1) duplicate cache-key generation or (2) retrieval of a value from an incorrect HTTP Access-Control-* response header.
Affected configurations
References
lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html
lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.html
lists.opensuse.org/opensuse-security-announce/2015-10/msg00004.html
lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html
lists.opensuse.org/opensuse-security-announce/2015-10/msg00007.html
lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
rhn.redhat.com/errata/RHSA-2015-1834.html
rhn.redhat.com/errata/RHSA-2015-1852.html
www.debian.org/security/2015/dsa-3365
www.mozilla.org/security/announce/2015/mfsa2015-111.html
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
www.securityfocus.com/bid/76816
www.securitytracker.com/id/1033640
www.ubuntu.com/usn/USN-2743-1
www.ubuntu.com/usn/USN-2743-2
www.ubuntu.com/usn/USN-2743-3
www.ubuntu.com/usn/USN-2743-4
www.ubuntu.com/usn/USN-2754-1
bugzilla.mozilla.org/show_bug.cgi?id=1200856
bugzilla.mozilla.org/show_bug.cgi?id=1200869
Related
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
6.3 Medium
AI Score
Confidence
Low
0.016 Low
EPSS
Percentile
87.3%