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kasperskyKaspersky LabKLA12127
HistoryMar 23, 2021 - 12:00 a.m.

KLA12127 Multiple vulnerabilities in Mozilla Firefox

2021-03-2300:00:00
Kaspersky Lab
threats.kaspersky.com
35

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

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

0.003 Low

EPSS

Percentile

69.5%

JSON

Detect date:

03/23/2021

Severity:

High

Description:

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

Affected products:

Mozilla Firefox earlier than 87

Solution:

Update to the latest version
Download Firefox

Original advisories:

MFSA2021-10

Impacts:

ACE

Related products:

Mozilla Firefox

CVE-IDS:

CVE-2021-239878.8Critical
CVE-2021-239826.5High
CVE-2021-239856.5High
CVE-2021-239888.8Critical
CVE-2021-239846.5High
CVE-2021-239836.5High
CVE-2021-239866.5High
CVE-2021-239818.1Critical
CVE-2021-299516.5High
CVE-2021-299555.3High

Related

openvas 32
mozilla 5
nessus 51
osv 6
ubuntu 2
oraclelinux 4
debian 4
altlinux 4
amazon 1
kaspersky 4
suse 4
almalinux 2
ibm 1
centos 2
mageia 2
redhat 8
cve 10
gentoo 2
prion 10
alpinelinux 9
veracode 9
ubuntucve 10
debiancve 10
cnvd 1
redhatcve 5
rosalinux 1
openvas
openvas
Mozilla Firefox Security Advisory (MFSA2021-10) - Linux
2021-11-08 00:00:00
Mozilla Firefox Security Advisory (MFSA2021-10) - Windows
2021-03-26 00:00:00
Mozilla Firefox Security Advisory (MFSA2021-10) - Windows
2022-05-10 00:00:00
mozilla
mozilla
Security Vulnerabilities fixed in Firefox 87 — Mozilla
2021-03-23 00:00:00
Security Vulnerabilities fixed in Firefox ESR 78.9 — Mozilla
2021-03-23 00:00:00
Security Vulnerabilities fixed in Thunderbird 78.9 — Mozilla
2021-03-23 00:00:00
nessus
nessus
Mozilla Firefox < 87.0
2021-03-23 00:00:00
Mozilla Firefox < 87.0
2021-03-23 00:00:00
Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4893-1)
2021-03-26 00:00:00
osv
osv
firefox vulnerabilities
2021-03-25 22:36:31
firefox-esr - security update
2021-03-25 00:00:00
firefox-esr - security update
2021-03-24 00:00:00
ubuntu
ubuntu
Firefox vulnerabilities
2021-03-25 00:00:00
Thunderbird vulnerabilities
2021-06-22 00:00:00
oraclelinux
oraclelinux
firefox security update
2021-03-26 00:00:00
firefox security update
2021-03-25 00:00:00
thunderbird security update
2021-03-26 00:00:00
debian
debian
[SECURITY] [DSA 4876-1] thunderbird security update
2021-03-25 21:18:24
[SECURITY] [DSA 4874-1] firefox-esr security update
2021-03-24 18:45:08
[SECURITY] [DLA 2609-1] thunderbird security update
2021-03-26 15:33:04
altlinux
altlinux
Security fix for the ALT Linux 10 package firefox-esr version 78.9.0-alt1
2021-03-23 00:00:00
Security fix for the ALT Linux 10 package firefox-esr version 78.10.1-alt1
2021-05-05 00:00:00
Security fix for the ALT Linux 10 package thunderbird version 78.10.1-alt1
2021-05-05 00:00:00
amazon
amazon
Important: thunderbird
2021-04-20 17:56:00
kaspersky
kaspersky
KLA12128 Multiple vulnerabilities in Mozilla Firefox ESR
2021-03-23 00:00:00
KLA12129 Multiple vulnerabilities in Mozilla Thunderbird
2021-03-23 00:00:00
KLA12162 DoS vulnerability in Mozilla Firefox ESR
2021-05-04 00:00:00
suse
suse
Security update for MozillaFirefox (important)
2021-03-30 00:00:00
Security update for MozillaThunderbird (important)
2021-04-19 00:00:00
Security update for MozillaFirefox (important)
2021-07-09 00:00:00
almalinux
almalinux
Important: thunderbird security update
2021-03-25 11:31:46
Important: firefox security update
2021-03-25 11:30:19
ibm
ibm
Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.9.0 ESR +  CVE-2021-23987) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF13 + CP4MCM2.2
2021-05-12 02:50:35
centos
centos
thunderbird security update
2021-03-26 18:12:50
firefox security update
2021-03-26 18:11:51
mageia
mageia
Updated thunderbird packages fix security vulnerabilities
2021-03-30 23:08:49
Updated firefox packages fix security vulnerabilities
2021-03-30 23:08:49
redhat
redhat
(RHSA-2021:0994) Important: thunderbird security update
2021-03-25 11:32:05
(RHSA-2021:0991) Important: firefox security update
2021-03-25 11:30:55
(RHSA-2021:0989) Important: firefox security update
2021-03-25 11:30:19
cve
cve
CVE-2021-29955
2021-06-24 14:15:00
CVE-2021-23983
2021-03-31 14:15:00
CVE-2021-23988
2021-03-31 14:15:00
gentoo
gentoo
Mozilla Firefox: Multiple vulnerabilities
2021-04-30 00:00:00
Mozilla Thunderbird: Multiple vulnerabilities
2021-04-30 00:00:00
prion
prion
Memory corruption
2021-03-31 14:15:00
Type confusion
2021-06-24 14:15:00
Memory corruption
2021-03-31 14:15:00
alpinelinux
alpinelinux
CVE-2021-23986
2021-03-31 14:15:00
CVE-2021-29951
2021-06-24 14:15:00
CVE-2021-23983
2021-03-31 14:15:00
veracode
veracode
Denial Of Service (DoS)
2021-03-25 01:22:34
Remote Code Execution (RCE)
2021-03-25 01:22:53
Same-Origin Policy Bypass
2021-03-25 01:22:43
ubuntucve
ubuntucve
CVE-2021-23986
2021-03-25 00:00:00
CVE-2021-23985
2021-03-25 00:00:00
CVE-2021-29955
2021-06-24 00:00:00
debiancve
debiancve
CVE-2021-23986
2021-03-31 14:15:00
CVE-2021-23988
2021-03-31 14:15:00
CVE-2021-23985
2021-03-31 14:15:00
cnvd
cnvd
Mozilla Thunderbird Permissions and Access Control Issues Vulnerability
2021-06-17 00:00:00
redhatcve
redhatcve
CVE-2021-29951
2021-05-26 10:49:19
CVE-2021-23984
2021-03-25 01:00:43
CVE-2021-23981
2021-03-25 01:00:49
rosalinux
rosalinux
Advisory ROSA-SA-2021-1986
2021-07-02 18:16:55

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

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

0.003 Low

EPSS

Percentile

69.5%

JSON
Related for KLA12127
openvas32mozilla5nessus51osv6ubuntu2oraclelinux4debian4altlinux4amazon1kaspersky4suse4almalinux2ibm1centos2mageia2redhat8cve10gentoo2prion10alpinelinux9veracode9ubuntucve10debiancve10cnvd1redhatcve5rosalinux1