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Vulnerability details: VCID-8gdb-ewcx-aaab
Vulnerability ID VCID-8gdb-ewcx-aaab
Aliases CVE-2021-29959
Summary When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it without an additional prompt. This was only possible if the website kept recording with the microphone until re-enabling the camera. This vulnerability affects Firefox < 89.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-863 Incorrect Authorization
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-29959.html
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-29959
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epss 0.00101 https://api.first.org/data/v1/epss?cve=CVE-2021-29959
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epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-29959
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-29959
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2021-29959
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29959
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-29959
cvssv3 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-29959
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-29959
archlinux High https://security.archlinux.org/AVG-2018
generic_textual Medium https://ubuntu.com/security/notices/USN-4978-1
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2021-23
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2021-23/#CVE-2021-29959
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-29959.html
https://api.first.org/data/v1/epss?cve=CVE-2021-29959
https://bugzilla.mozilla.org/show_bug.cgi?id=1395819
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29959
https://security.gentoo.org/glsa/202107-09
https://ubuntu.com/security/notices/USN-4978-1
https://www.mozilla.org/en-US/security/advisories/mfsa2021-23/#CVE-2021-29959
https://www.mozilla.org/security/advisories/mfsa2021-23/
ASA-202106-3 https://security.archlinux.org/ASA-202106-3
AVG-2018 https://security.archlinux.org/AVG-2018
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
CVE-2021-29959 https://nvd.nist.gov/vuln/detail/CVE-2021-29959
mfsa2021-23 https://www.mozilla.org/en-US/security/advisories/mfsa2021-23
USN-4978-1 https://usn.ubuntu.com/4978-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-29959
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-29959
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-29959
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.34874
EPSS Score 0.00076
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.