CVE-2015-4520
Medium
Description
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.
SeverityMedium
CVSS6.4
Exploit probability—
Product
Mozilla Firefox
PublishedSep 24, 2015
First seenSep 24, 2015
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | 38.0, 38.0.1, 38.0.5, 38.1.0, 38.1.1, 38.2.0, 38.2.1, v ≤ 40.0.3 | — |
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