CVE-2015-4495
Mozilla Firefox Security Feature Bypass Vulnerability
- Published
- Aug 8, 2015
- Updated
- Oct 21, 2025
- Assigning CNA
- mozilla
- Evidence observed
- Aug 15, 2015
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
2- CVE-2015-4495Exploit
Exploit for CVE-2015-4495 / mfsa2015-78
Tantaryu MING · multiple · Aug 15, 2015
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