Vulnerability Details : CVE-2021-23998
Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
Products affected by CVE-2021-23998
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23998
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23998
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-23998
-
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-2021-23998
-
https://www.mozilla.org/security/advisories/mfsa2021-15/
Security Vulnerabilities fixed in Firefox ESR 78.10 — MozillaRelease Notes;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2021-14/
Security Vulnerabilities fixed in Thunderbird 78.10 — MozillaRelease Notes;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2021-16/
Security Vulnerabilities fixed in Firefox 88 — MozillaRelease Notes;Vendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1667456
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
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