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nvd[email protected]NVD:CVE-2020-26973
HistoryJan 07, 2021 - 2:15 p.m.

CVE-2020-26973

2021-01-0714:15:11
[email protected]
web.nvd.nist.gov

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

8.1 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

66.1%

JSON

Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Affected configurations

NVD
Node
mozillafirefoxRange<84.0
OR
mozillafirefox_esrRange<78.6.0
OR
mozillathunderbirdRange<78.6.0

Related

debiancve 1
prion 1
cve 1
ubuntucve 1
redhatcve 1
alpinelinux 1
veracode 1
cvelist 1
threatpost 1
oraclelinux 4
nessus 50
debian 5
openvas 20
redhat 10
ibm 2
osv 5
mageia 2
centos 1
altlinux 2
mozilla 3
gentoo 1
kaspersky 3
suse 4
archlinux 2
ubuntu 2
amazon 1
rosalinux 2
debiancve
debiancve
CVE-2020-26973
2021-01-07 14:15:11
prion
prion
Authentication flaw
2021-01-07 14:15:00
cve
cve
CVE-2020-26973
2021-01-07 14:15:11
ubuntucve
ubuntucve
CVE-2020-26973
2020-12-15 00:00:00
redhatcve
redhatcve
CVE-2020-26973
2021-02-14 14:33:48
alpinelinux
alpinelinux
CVE-2020-26973
2021-01-07 14:15:11
veracode
veracode
Cross-site Scripting (XSS)
2020-12-16 08:52:57
cvelist
cvelist
CVE-2020-26973
2021-01-07 13:53:21
threatpost
threatpost
Firefox Patches Critical Mystery Bug, Also Impacting Google Chrome
2020-12-15 21:04:30
oraclelinux
oraclelinux
firefox security update
2020-12-17 00:00:00
thunderbird security update
2020-12-18 00:00:00
thunderbird security update
2020-12-18 00:00:00
nessus
nessus
Oracle Linux 7 : ELSA-2020-5561-1: / firefox (ELSA-2020-55611)
2020-12-17 00:00:00
RHEL 8 : firefox (RHSA-2020:5565)
2020-12-18 00:00:00
RHEL 8 : thunderbird (RHSA-2020:5624)
2020-12-18 00:00:00
debian
debian
[SECURITY] [DSA 4815-1] thunderbird security update
2020-12-17 09:30:44
[SECURITY] [DSA 4813-1] firefox-esr security update
2020-12-16 12:46:35
[SECURITY] [DLA 2497-1] thunderbird security update
2020-12-17 11:38:46
openvas
openvas
Mageia: Security Advisory (MGASA-2020-0461)
2022-01-28 00:00:00
Debian: Security Advisory (DLA-2497-1)
2020-12-18 00:00:00
Mageia: Security Advisory (MGASA-2020-0462)
2022-01-28 00:00:00
redhat
redhat
(RHSA-2020:5562) Important: firefox security update
2020-12-16 07:29:53
(RHSA-2020:5565) Important: firefox security update
2020-12-16 08:01:21
(RHSA-2020:5564) Important: firefox security update
2020-12-16 07:30:06
ibm
ibm
Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.9.0 ESR +  CVE-2020-26974) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF13 + CP4MCM2.2
2021-05-12 02:48:18
Security Bulletin: Multiple vulnerabilities in Mozilla Firefox affect IBM Cloud Pak for Multicloud Management Monitoring
2021-05-18 11:41:03
osv
osv
thunderbird - security update
2020-12-17 00:00:00
firefox-esr - security update
2020-12-16 00:00:00
firefox-esr - security update
2020-12-16 00:00:00
mageia
mageia
Updated firefox packages fix security vulnerabilities
2020-12-17 16:10:41
Updated thunderbird packages fix security vulnerabilities
2020-12-17 16:10:41
centos
centos
thunderbird security update
2020-12-21 20:46:06
altlinux
altlinux
Security fix for the ALT Linux 10 package firefox-esr version 78.6.0-alt1
2020-12-14 00:00:00
Security fix for the ALT Linux 10 package thunderbird version 78.6.0-alt1
2020-12-15 00:00:00
mozilla
mozilla
Security Vulnerabilities fixed in Thunderbird 78.6 — Mozilla
2020-12-15 00:00:00
Security Vulnerabilities fixed in Firefox ESR 78.6 — Mozilla
2020-12-15 00:00:00
Security Vulnerabilities fixed in Firefox 84 — Mozilla
2020-12-15 00:00:00
gentoo
gentoo
Mozilla Firefox, Mozilla Thunderbird: Multiple vulnerabilities
2020-12-23 00:00:00
kaspersky
kaspersky
KLA12031 Multiple vulnerabilities in Mozilla Thunderbird
2020-12-15 00:00:00
KLA12030 Multiple vulnerabilities in Mozilla Firefox ESR
2020-12-15 00:00:00
KLA12029 Multiple vulnerabilities in Mozilla Firefox
2020-12-15 00:00:00
suse
suse
Security update for MozillaThunderbird (critical)
2020-12-25 00:00:00
Security update for MozillaThunderbird (critical)
2020-12-22 00:00:00
Security update for MozillaFirefox (critical)
2020-12-25 00:00:00
archlinux
archlinux
[ASA-202012-23] thunderbird: multiple issues
2020-12-16 00:00:00
[ASA-202012-25] firefox: multiple issues
2020-12-16 00:00:00
ubuntu
ubuntu
Thunderbird vulnerabilities
2021-01-20 00:00:00
Firefox vulnerabilities
2020-12-15 00:00:00
amazon
amazon
Important: thunderbird
2021-01-05 23:35:00
rosalinux
rosalinux
Advisory ROSA-SA-2021-1986
2021-07-02 18:16:55
Advisory ROSA-SA-2021-1835
2021-07-02 16:43:38

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

8.1 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

66.1%

JSON
Related for NVD:CVE-2020-26973
debiancve1prion1cve1ubuntucve1redhatcve1alpinelinux1veracode1cvelist1threatpost1oraclelinux4nessus50debian5openvas20redhat10ibm2osv5mageia2centos1altlinux2mozilla3gentoo1kaspersky3suse4archlinux2ubuntu2amazon1rosalinux2