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Case File

CVE-2017-5456

CRITICAL · CVSS 9.8 EPSS 2.82%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-06-11 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Firefox.

CVE
CVE-2017-5456
Severity
CRITICAL
CVSS
9.8
EPSS
2.82%
Firefox

Original NVD Description

A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.

Related CVEs

Other vulnerabilities affecting the same vendor(s)