CVE-2021-23977

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-367

Affected software

No affected versions have been published.

Timeline

Published: Feb 26, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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