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NVD Vulnerability Details :
CVE-2021-38506
Analyzed
More InfoOfficial Page
Source-security@mozilla.org
View Known Exploited Vulnerability (KEV) details
Published At-08 Dec, 2021 | 22:15
Updated At-09 Dec, 2022 | 15:31

Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Primary2.04.3MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N
Type: Primary
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Type: Primary
Version: 2.0
Base score: 4.3
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N
CPE Matches
Mozilla Corporation
mozilla
>>firefox>>Versions before 94.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>firefox_esr>>Versions before 91.3.0(exclusive)
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions before 91.3.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-1021Primarynvd@nist.gov
CWE ID: CWE-1021
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1730750security@mozilla.org
Issue Tracking
Permissions Required
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00030.htmlsecurity@mozilla.org
Mailing List
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00001.htmlsecurity@mozilla.org
Mailing List
Third Party Advisory
https://security.gentoo.org/glsa/202202-03security@mozilla.org
Third Party Advisory
https://security.gentoo.org/glsa/202208-14security@mozilla.org
Third Party Advisory
https://www.debian.org/security/2021/dsa-5026security@mozilla.org
Third Party Advisory
https://www.debian.org/security/2022/dsa-5034security@mozilla.org
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-48/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-49/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-50/security@mozilla.org
Vendor Advisory
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1730750
Source: security@mozilla.org
Resource:
Issue Tracking
Permissions Required
Vendor Advisory
Hyperlink: https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
Source: security@mozilla.org
Resource:
Mailing List
Third Party Advisory
Hyperlink: https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
Source: security@mozilla.org
Resource:
Mailing List
Third Party Advisory
Hyperlink: https://security.gentoo.org/glsa/202202-03
Source: security@mozilla.org
Resource:
Third Party Advisory
Hyperlink: https://security.gentoo.org/glsa/202208-14
Source: security@mozilla.org
Resource:
Third Party Advisory
Hyperlink: https://www.debian.org/security/2021/dsa-5026
Source: security@mozilla.org
Resource:
Third Party Advisory
Hyperlink: https://www.debian.org/security/2022/dsa-5034
Source: security@mozilla.org
Resource:
Third Party Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-48/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-49/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-50/
Source: security@mozilla.org
Resource:
Vendor Advisory
Change History
0Changes found
Details not found