Vulnerability Details : CVE-2020-12415
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.
Products affected by CVE-2020-12415
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12415
0.35%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12415
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-12415
-
During installation, installed file permissions are set to allow anyone to modify those files.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12415
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1586630
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
-
https://security.gentoo.org/glsa/202007-10
Mozilla Firefox: Multiple vulnerabilities (GLSA 202007-10) — Gentoo securityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
[security-announce] openSUSE-SU-2020:0983-1: important: Security updateMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
[security-announce] openSUSE-SU-2020:1017-1: important: Security updateMailing List;Third Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-24/
Security Vulnerabilities fixed in Firefox 78 — MozillaVendor Advisory
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