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redhatcveRedhat.comRH:CVE-2021-23984
HistoryMar 25, 2021 - 1:00 a.m.

CVE-2021-23984

2021-03-2501:00:43
redhat.com
access.redhat.com
11

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

47.3%

JSON

The Mozilla Foundation Security Advisory describes this issue as: A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an address bar should not be fully controllable, but in this situation was. This could have been used to spoof a website and attempt to trick the user into providing credentials.

Related

nvd 1
veracode 1
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prion 1
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oraclelinux 4
altlinux 2
amazon 1
suse 2
almalinux 2
ibm 2
centos 2
kaspersky 3
redhat 8
osv 7
mageia 2
mozilla 3
ubuntu 3
gentoo 2
rosalinux 2
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Information Disclosure Via Spoofable Website
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SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:1007-1)
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2021-03-26 00:00:00
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thunderbird security update
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Security fix for the ALT Linux 10 package firefox-esr version 78.9.0-alt1
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Important: thunderbird
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(RHSA-2021:0994) Important: thunderbird security update
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Security Vulnerabilities fixed in Thunderbird 78.9 — 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 Firefox 87 — Mozilla
2021-03-23 00:00:00
ubuntu
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CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

47.3%

JSON
Related for RH:CVE-2021-23984
nvd1veracode1cvelist1prion1ubuntucve1alpinelinux1debiancve1cve1nessus44debian4openvas25oraclelinux4altlinux2amazon1suse2almalinux2ibm2centos2kaspersky3redhat8osv7mageia2mozilla3ubuntu3gentoo2rosalinux2