CVE-2015-4495

Mozilla Firefox — Mozilla Firefox Security Feature Bypass Vulnerability
⚠️ CVSS 3.1  8.8 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

Moxilla Firefox allows remote attackers to bypass the Same Origin Policy to read arbitrary files or gain privileges.

https://nvd.nist.gov/vuln/detail/CVE-2015-4495

Key Details

PropertyValue
CVE ID CVE-2015-4495
Vendor / Product Mozilla — Firefox
NVD Published2015-08-08
NVD Last Modified2025-10-22
CVSS 3.1 Score8.8
CVSS 3.1 VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SeverityHIGH
CISA KEV Added2022-05-25
CISA KEV Deadline2022-06-15
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2022-06-15. Apply updates per vendor instructions.

Timeline

DateEvent
2022-05-25Added to CISA Known Exploited Vulnerabilities catalog
2022-06-15CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2015-4495 Vulnerability Database
CISA KEV Catalog Entry US Government