Medium severity · published Dec 9, 2020
CVE-2020-26954
When accepting a malicious intent from other installed apps, Firefox for Android accepted manifests from arbitrary file paths and allowed declaring webapp manifests for other…
4.3
CVSS
0.6%
EPSS
No
On KEV
Description
When accepting a malicious intent from other installed apps, Firefox for Android accepted manifests from arbitrary file paths and allowed declaring webapp manifests for other origins. This could be used to gain fullscreen access for UI spoofing and could also lead to cross-origin attacks on targeted websites. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FM
Firefox Mobile · Mozilla
before 83.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-26954
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-26954
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1657026
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-50/
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