Medium severity · published Jan 7, 2021
CVE-2020-26975
When a malicious application installed on the user's device broadcast an Intent to Firefox for Android, arbitrary headers could have been specified, leading to attacks such as…
6.5
CVSS
0.9%
EPSS
No
On KEV
Description
When a malicious application installed on the user's device broadcast an Intent to Firefox for Android, arbitrary headers could have been specified, leading to attacks such as abusing ambient authority or session fixation. This was resolved by only allowing certain safe-listed headers. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FM
Firefox Mobile · Mozilla
before 84.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-26975
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-26975
Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1661071
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-54/
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