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cve[email protected]CVE-2021-29987
HistoryAug 17, 2021 - 8:15 p.m.

CVE-2021-29987

2021-08-1720:15:00
CWE-307
[email protected]
web.nvd.nist.gov
133
cve-2021-29987
firefox
thunderbird
linux
permission vulnerability
user trickery
nvd

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.2 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

46.6%

JSON

After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. This bug only affects Firefox on Linux. Other operating systems are unaffected.. This vulnerability affects Firefox < 91 and Thunderbird < 91.

VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozillathunderbird*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Related

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prion 1
alpinelinux 1
ubuntucve 1
debiancve 1
altlinux 2
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archlinux 1
openvas 15
mozilla 2
osv 2
ubuntu 2
suse 5
gentoo 1
veracode
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Privilege Escalation
2021-08-12 15:35:33
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Design/Logic Flaw
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altlinux
altlinux
Security fix for the ALT Linux 10 package firefox-esr version 91.0.1-alt1
2021-09-04 00:00:00
Security fix for the ALT Linux 10 package thunderbird version 91.0-alt1
2021-08-12 00:00:00
nessus
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Mozilla Thunderbird < 91.0
2021-08-11 00:00:00
Mozilla Thunderbird < 91.0
2021-08-11 00:00:00
Mozilla Firefox < 91.0
2021-08-10 00:00:00
archlinux
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[ASA-202108-14] firefox: multiple issues
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Mozilla Firefox Security Advisory (MFSA2021-33) - Linux
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Ubuntu: Security Advisory (USN-5037-1)
2021-08-12 00:00:00
SUSE: Security Advisory (SUSE-SU-2021:3191-1)
2021-09-23 00:00:00
mozilla
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Security Vulnerabilities fixed in Thunderbird 91 — Mozilla
2021-08-11 00:00:00
Security Vulnerabilities fixed in Firefox 91 — Mozilla
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osv
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2021-08-11 19:25:30
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2022-01-21 17:00:48
ubuntu
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2021-08-11 00:00:00
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2022-01-21 00:00:00
suse
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Security update for MozillaFirefox (important)
2021-10-18 00:00:00
Security update for MozillaFirefox (important)
2021-10-16 00:00:00
Security update for MozillaFirefox (important)
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gentoo
gentoo
Mozilla Firefox: Multiple vulnerabilities
2022-02-21 00:00:00

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.2 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

46.6%

JSON
Related for CVE-2021-29987
veracode1prion1alpinelinux1ubuntucve1debiancve1altlinux2nessus20archlinux1openvas15mozilla2osv2ubuntu2suse5gentoo1