CVE-2020-12415

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

When "%2F" was present in a manifest URL, Firefox's AppCache behavior may have become confused and allowed a manifest to be served from a subdirectory. This could cause the appcache to be used to service requests for the top level directory. This vulnerability affects Firefox < 78.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-276

Affected software

No affected versions have been published.

Timeline

Published: Jul 9, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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