CVE-2015-4495
HIGHCISA KEVEPSS 99th pctlDescription
The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and Firefox OS before 2.2 allows remote attackers to bypass the Same Origin Policy, and read arbitrary files or gain privileges, via vectors involving crafted JavaScript code and a native setter, as exploited in the wild in August 2015.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 99% of all known CVEs.
Mozilla Firefox Security Feature Bypass Vulnerability
Moxilla Firefox allows remote attackers to bypass the Same Origin Policy to read arbitrary files or gain privileges.
Apply updates per vendor instructions.
Remediation due: 2022-06-15
References
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html
- http://rhn.redhat.com/errata/RHSA-2015-1581.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-78.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securityfocus.com/bid/76249
- http://www.securitytracker.com/id/1033216
- http://www.ubuntu.com/usn/USN-2707-1
- https://blog.mozilla.org/security/2015/08/06/firefox-exploit-found-in-the-wild/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1178058
- https://bugzilla.mozilla.org/show_bug.cgi?id=1179262
- https://security.gentoo.org/glsa/201512-10
- https://www.exploit-db.com/exploits/37772/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4495
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-22.