VulnerabilityModified
CVE-2021-29958
This vulnerability affects Firefox for iOS < 34.
MEDIUM 4.3EPSS 0.67%
Does this matter?
Lower severity and a low EPSS score (0.67%). Track it; it rarely justifies an emergency change on its own.
Description
When a download was initiated, the client did not check whether it was in normal or private browsing mode, which led to private mode cookies being shared in normal browsing mode. This vulnerability affects Firefox for iOS < 34.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- EPSS
- 0.67% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-862
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1670127Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-25/Release Notes, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1670127Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-25/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.