9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.1 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.005 Low
EPSS
Percentile
75.4%
12/07/2021
High
Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to spoof user interface, perform cross-site scripting attack, obtain sensitive information, cause denial of service, bypass security restrictions, execute arbitrary code.
Mozilla Firefox earlier than 95
Update to the latest version
Download Firefox
ACE
CVE-2021-435416.5High
CVE-2021-435446.1High
CVE-2021-435426.5High
CVE-2021-435456.5High
CVE-2021-435366.5High
CVE-2021-435436.1High
CVE-2021-435378.8Critical
CVE-2021-435398.8Critical
CVE-2021-435384.3Warning
CVE-2021-435464.3Warning
CVE-2021-435406.5High
CVE-2021-41286.5High
CVE-2021-41299.8Critical
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4128
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4129
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43536
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43537
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43538
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43539
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43540
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43541
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43542
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43543
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43544
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43545
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43546
statistics.securelist.com/vulnerability-scan/month
threats.kaspersky.com/en/product/Mozilla-Firefox/
www.mozilla.org/en-US/firefox/new/
www.mozilla.org/en-US/security/advisories/mfsa2021-52/
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.1 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.005 Low
EPSS
Percentile
75.4%