cve.bz

CVE-2021-23977

5.3 mediumEPSS 0.9%

Firefox for Android suffered from a time-of-check-time-of-use vulnerability that allowed a malicious application to read sensitive data from application directories. Note: This issue is only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 86.

Severity

CVSS 3.1

5.3 medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWE
CWE-367
Published
Modified
Record from
the NVD, synced

Affected

References

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