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kasperskyKaspersky LabKLA12011
HistoryNov 17, 2020 - 12:00 a.m.

KLA12011 Multiple vulnerabilities in Mozilla Firefox ESR

2020-11-1700:00:00
Kaspersky Lab
threats.kaspersky.com
45

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

9.1 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.026 Low

EPSS

Percentile

90.0%

JSON

Detect date:

11/17/2020

Severity:

Warning

Description:

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to gain privileges, perform cross-site scripting attack, obtain sensitive information, cause denial of service, spoof user interface, execute arbitrary code, bypass security restrictions.

Exploitation:

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Affected products:

Mozilla Firefox ESR earlier than 78.5

Solution:

Update to the latest version
Download Firefox ESR

Original advisories:

MFSA2020-51

Impacts:

ACE

Related products:

Mozilla Firefox ESR

CVE-IDS:

CVE-2020-159996.5High
CVE-2020-160124.3Warning
CVE-2020-269646.8High
CVE-2020-269516.1High
CVE-2020-269534.3Warning
CVE-2020-269566.1High
CVE-2020-269626.1High
CVE-2020-269688.8Critical
CVE-2020-269634.3Warning
CVE-2020-269616.5High
CVE-2020-269676.5High
CVE-2020-269576.5High
CVE-2020-269544.3Warning
CVE-2020-269698.8Critical
CVE-2020-269608.8Critical
CVE-2020-269656.5High
CVE-2020-269598.8Critical
CVE-2020-269528.8Critical
CVE-2020-269666.5High
CVE-2020-269586.1High
CVE-2020-269556.5High

References

Related

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Security Vulnerabilities fixed in Firefox 83 — Mozilla
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debian
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[SECURITY] [DLA 2464-1] thunderbird security update
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redhat
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(RHSA-2020:5234) Important: firefox security update
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(RHSA-2020:5233) Important: firefox security update
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mageia
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oraclelinux
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thunderbird security update
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thunderbird security update
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firefox security update
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centos
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thunderbird security update
2020-12-09 20:24:41
firefox security update
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gentoo
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ubuntucve
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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

9.1 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.026 Low

EPSS

Percentile

90.0%

JSON
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