Vulnerability Details : CVE-2021-29958
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.
Products affected by CVE-2021-29958
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-29958
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-29958
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-29958
-
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-29958
-
https://www.mozilla.org/security/advisories/mfsa2021-25/
Security Vulnerabilities fixed in Firefox for iOS 34 — MozillaRelease Notes;Vendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1670127
Access DeniedPermissions Required;Vendor Advisory
Jump to