Vulnerability Details : CVE-2021-29963
Address bar search suggestions in private browsing mode were re-using session data from normal mode. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 89.
Exploit prediction scoring system (EPSS) score for CVE-2021-29963
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 34 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-29963
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-29963
-
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-29963
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1705068
Access DeniedPermissions Required;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2021-23/
Security Vulnerabilities fixed in Firefox 89 — MozillaRelease Notes;Vendor Advisory
Products affected by CVE-2021-29963
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*