Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2015-4520

Published: Sep 24, 2015 | Modified: Apr 12, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.4 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N
RedHat/V2
6.8 IMPORTANT
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2015-4520
CWEhttps://cwe.mitre.org/data/definitions/254.html

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 Software

NameVendorStart VersionEnd Version
FirefoxMozilla38.0 (including)38.0 (including)
FirefoxMozilla38.0.1 (including)38.0.1 (including)
FirefoxMozilla38.0.5 (including)38.0.5 (including)
FirefoxMozilla38.1.0 (including)38.1.0 (including)
FirefoxMozilla38.1.1 (including)38.1.1 (including)
FirefoxMozilla38.2.0 (including)38.2.0 (including)
FirefoxMozilla38.2.1 (including)38.2.1 (including)
Red Hat Enterprise Linux 5RedHatfirefox-0:38.3.0-2.el5_11*
Red Hat Enterprise Linux 5RedHatthunderbird-0:38.3.0-1.el5_11*
Red Hat Enterprise Linux 6RedHatfirefox-0:38.3.0-2.el6_7*
Red Hat Enterprise Linux 6RedHatthunderbird-0:38.3.0-1.el6_7*
Red Hat Enterprise Linux 7RedHatfirefox-0:38.3.0-2.ael7b_1*
Red Hat Enterprise Linux 7RedHatthunderbird-0:38.3.0-1.el7_1*
FirefoxUbuntudevel*
FirefoxUbuntuprecise*
FirefoxUbuntutrusty*
FirefoxUbuntuupstream*
FirefoxUbuntuvivid*
ThunderbirdUbuntudevel*
ThunderbirdUbuntuprecise*
ThunderbirdUbuntutrusty*
ThunderbirdUbuntuupstream*
ThunderbirdUbuntuvivid*

References

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