Published: 09/07/2020 Updated: 27/01/2023

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
mozilla firefox
opensuse leap 15.1
opensuse leap 15.2

Mozilla Foundation Security Advisory 2020-29 Security Vulnerabilities fixed in Thunderbird 78 Announced July 16, 2020 Impact high Products Thunderbird Fixed in Thunderbird 78 ...

Mozilla Foundation Security Advisory 2020-24 Security Vulnerabilities fixed in Firefox 78 Announced June 30, 2020 Impact high Products Firefox Fixed in Firefox 78 ...

CWE-276 https://www.mozilla.org/security/advisories/mfsa2020-24/https://bugzilla.mozilla.org/show_bug.cgi?id=1586630 http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html https://security.gentoo.org/glsa/202007-10 https://nvd.nist.gov https://www.mozilla.org/en-US/security/advisories/mfsa2020-29/

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CVE-2020-12415

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