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redhatcveRedhat.comRH:CVE-2021-23999
HistoryApr 20, 2021 - 3:20 a.m.

CVE-2021-23999

2021-04-2003:20:53
redhat.com
access.redhat.com
16

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

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

71.2%

JSON

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Related

prion 1
debiancve 1
cve 1
alpinelinux 1
veracode 1
ubuntucve 1
ibm 2
openvas 20
nessus 39
oraclelinux 4
osv 7
mageia 2
kaspersky 3
mozilla 3
redhat 8
almalinux 2
debian 4
archlinux 2
suse 2
altlinux 2
redos 9
amazon 1
ubuntu 3
gentoo 2
prion
prion
Code injection
2021-06-24 14:15:00
debiancve
debiancve
CVE-2021-23999
2021-06-24 14:15:00
cve
cve
CVE-2021-23999
2021-06-24 14:15:00
alpinelinux
alpinelinux
CVE-2021-23999
2021-06-24 14:15:00
veracode
veracode
Privilege Escalation
2021-04-21 18:13:48
ubuntucve
ubuntucve
CVE-2021-23999
2021-04-19 00:00:00
ibm
ibm
Security Bulletin: IBM Cloud Pak for Multicloud Management Monitoring has applied security fixes for its use of Mozilla Firefox
2021-12-01 15:06:50
Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.14.0 ESR + CVE-2021-29967) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF14
2021-09-28 16:45:14
openvas
openvas
Mozilla Firefox ESR Security Advisories (MFSA2021-13, MFSA2021-16) - Mac OS X
2021-04-20 00:00:00
Mozilla Firefox ESR Security Advisories (MFSA2021-13, MFSA2021-16) - Windows
2021-04-20 00:00:00
Debian: Security Advisory (DLA-2633-1)
2021-04-24 00:00:00
nessus
nessus
RHEL 8 : firefox (RHSA-2021:1360)
2021-04-26 00:00:00
Debian DLA-2633-1 : firefox-esr security update
2021-04-27 00:00:00
CentOS 8 : firefox (CESA-2021:1360)
2021-05-03 00:00:00
oraclelinux
oraclelinux
firefox security update
2021-04-27 00:00:00
firefox security update
2021-04-27 00:00:00
thunderbird security update
2021-04-27 00:00:00
osv
osv
firefox-esr - security update
2021-04-20 00:00:00
firefox-esr - security update
2021-04-23 00:00:00
firefox vulnerabilities
2021-04-26 10:44:42
mageia
mageia
Updated firefox packages fix security vulnerabilities
2021-04-29 12:41:35
Updated thunderbird packages fix security vulnerabilities
2021-04-29 12:41:35
kaspersky
kaspersky
KLA12150 Multiple vulnerabilities in Mozilla Firefox ESR
2021-04-19 00:00:00
KLA12148 Multiple vulnerabilities in Mozilla Thunderbird
2021-04-19 00:00:00
KLA12149 Multiple vulnerabilities in Mozilla Firefox
2021-04-19 00:00:00
mozilla
mozilla
Security Vulnerabilities fixed in Firefox ESR 78.10 — Mozilla
2021-04-19 00:00:00
Security Vulnerabilities fixed in Thunderbird 78.10 — Mozilla
2021-04-19 00:00:00
Security Vulnerabilities fixed in Firefox 88 — Mozilla
2021-04-19 00:00:00
redhat
redhat
(RHSA-2021:1362) Important: firefox security update
2021-04-26 10:29:17
(RHSA-2021:1361) Important: firefox security update
2021-04-26 10:29:12
(RHSA-2021:1360) Important: firefox security update
2021-04-26 10:29:07
almalinux
almalinux
Important: firefox security update
2021-04-26 10:29:07
Important: thunderbird security update
2021-04-26 05:03:41
debian
debian
[SECURITY] [DLA 2633-1] firefox-esr security update
2021-04-23 10:43:12
[SECURITY] [DSA 4895-1] firefox-esr security update
2021-04-20 18:17:37
[SECURITY] [DLA 2632-1] thunderbird security update
2021-04-22 10:39:48
archlinux
archlinux
[ASA-202104-4] thunderbird: multiple issues
2021-04-29 00:00:00
[ASA-202104-3] firefox: multiple issues
2021-04-29 00:00:00
suse
suse
Security update for MozillaFirefox (important)
2021-04-26 00:00:00
Security update for MozillaThunderbird (important)
2021-05-01 00:00:00
altlinux
altlinux
Security fix for the ALT Linux 10 package firefox-esr version 78.10.0-alt1
2021-04-21 00:00:00
Security fix for the ALT Linux 10 package thunderbird version 78.10.0-alt1
2021-04-26 00:00:00
redos
redos
ROS-2-463
2021-09-08 00:00:00
ROS-2-553
2021-09-08 00:00:00
ROS-2-515
2021-09-08 00:00:00
amazon
amazon
Important: thunderbird
2021-05-20 17:05:00
ubuntu
ubuntu
Firefox vulnerabilities
2021-04-26 00:00:00
Thunderbird vulnerabilities
2021-06-22 00:00:00
Thunderbird vulnerabilities
2021-06-25 00:00:00
gentoo
gentoo
Mozilla Thunderbird: Multiple vulnerabilities
2021-04-30 00:00:00
Mozilla Firefox: Multiple vulnerabilities
2021-04-30 00:00:00

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

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

71.2%

JSON
Related for RH:CVE-2021-23999
prion1debiancve1cve1alpinelinux1veracode1ubuntucve1ibm2openvas20nessus39oraclelinux4osv7mageia2kaspersky3mozilla3redhat8almalinux2debian4archlinux2suse2altlinux2redos9amazon1ubuntu3gentoo2