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Kaspersky LabKLA12050
HistoryJan 26, 2021 - 12:00 a.m.

KLA12050 Multiple vulnerabilities in Mozilla Firefox

2021-01-2600:00:00
Kaspersky Lab
threats.kaspersky.com
41

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.006 Low

EPSS

Percentile

78.0%

Detect date:

01/26/2021

Severity:

Warning

Description:

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to spoof user interface, bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information.

Affected products:

Mozilla Firefox earlier than 85

Solution:

Update to the latest version
Download Firefox

Original advisories:

MFSA2021-03

Impacts:

ACE

Related products:

Mozilla Firefox

CVE-IDS:

CVE-2021-239556.1High
CVE-2021-239634.3Warning
CVE-2021-239608.8Critical
CVE-2021-239617.4High
CVE-2021-239596.1High
CVE-2021-239648.8Critical
CVE-2021-239586.5High
CVE-2021-239566.5High
CVE-2021-239534.3Warning
CVE-2021-239628.8Critical
CVE-2021-239577.4High
CVE-2021-239658.8Critical
CVE-2021-239548.8Critical

References

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8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.006 Low

EPSS

Percentile

78.0%

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