Vulnerability in Mozilla Firefox
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.009 (57.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Mobile
References
- www.mozilla.org/security/advisories/mfsa2020-54/ (Vendor Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required)
Frequently asked questions
- What is CVE-2020-26975?
- CVE-2020-26975 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 6.5/10. Published 2021-01-07.
- How severe is CVE-2020-26975?
- Medium severity. CVSS v3 base score is 6.5 out of 10.