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kasperskyKaspersky LabKLA12305
HistoryOct 05, 2021 - 12:00 a.m.

KLA12305 Multiple vulnerabilities in Mozilla Firefox ESR

2021-10-0500:00:00
Kaspersky Lab
threats.kaspersky.com
6

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

9.7 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

0.008 Low

EPSS

Percentile

80.9%

Detect date:

10/05/2021

Severity:

High

Description:

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

Affected products:

Mozilla Firefox ESR earlier than 91.2

Solution:

Update to the latest version
Download Firefox ESR

Original advisories:

MFSA2021-45

Impacts:

ACE

Related products:

Mozilla Firefox ESR

CVE-IDS:

CVE-2021-385018.8Critical
CVE-2021-384968.8Critical
CVE-2021-385008.8Critical
CVE-2021-328109.8Critical
CVE-2021-384976.5High
CVE-2021-384987.5Critical

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

9.7 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

0.008 Low

EPSS

Percentile

80.9%