Vulnerability in Mozilla Firefox

CVE-2015-4520

Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allow remote attackers to bypass CORS preflight protection mechanisms by leveraging (1) duplicate cache-key generation or (2) retrieval of a value from an incorrect HTTP Access-Control-* response header.

EPSS: 0.031 (86.4th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References