CVEs / CVE-2015-4495
CVE-2015-4495: Mozilla Firefox Security Feature Bypass Vulnerability
- Known exploited in the CISA KEV catalog since 25 May 2022
- high 8.8 CVSS 3.1 (NVD)
- EPSS 68.5% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2015-4495
Summary
Moxilla Firefox allows remote attackers to bypass the Same Origin Policy to read arbitrary files or gain privileges.
Description
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 25 May 2022 |
|---|---|
| Due date for US federal agencies | 15 Jun 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-346 |
References
- CVE-2015-4495 on NVD
- CVE-2015-4495 in the CISA KEV catalog
- CVE-2015-4495 on OSV
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00009.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00010.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html Mailing List, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1581.html Third Party Advisory
- http://www.mozilla.org/security/announce/2015/mfsa2015-78.html Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Patch, Third Party Advisory
- http://www.securityfocus.com/bid/76249 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1033216 Broken Link, Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2707-1 Third Party Advisory
- https://blog.mozilla.org/security/2015/08/06/firefox-exploit-found-in-the-wild/ Issue Tracking, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1178058 Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1179262 Issue Tracking
- https://security.gentoo.org/glsa/201512-10 Third Party Advisory
- https://www.exploit-db.com/exploits/37772/ Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4495 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.