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Vulnerability details: VCID-mwmq-pzu3-aaas
Vulnerability ID VCID-mwmq-pzu3-aaas
Aliases CVE-2020-12424
Summary When constructing a permission prompt for WebRTC, a URI was supplied from the content process. This URI was untrusted, and could have been the URI of an origin that was previously granted permission; bypassing the prompt. This vulnerability affects Firefox < 78.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-276 Incorrect Default Permissions
CWE-451 User Interface (UI) Misrepresentation of Critical Information
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-12424.html
rhas Important https://access.redhat.com/errata/RHSA-2020:3555
rhas Important https://access.redhat.com/errata/RHSA-2020:3557
rhas Important https://access.redhat.com/errata/RHSA-2020:3559
rhas Important https://access.redhat.com/errata/RHSA-2020:4080
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-12424.json
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2020-12424
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2020-12424
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2020-12424
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2020-12424
epss 0.00113 https://api.first.org/data/v1/epss?cve=CVE-2020-12424
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epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-12424
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epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-12424
epss 0.0033 https://api.first.org/data/v1/epss?cve=CVE-2020-12424
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1872539
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12424
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-12424
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2020-12424
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2020-12424
generic_textual Medium https://ubuntu.com/security/notices/USN-4408-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-4408-1
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-24
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/#CVE-2020-12424
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-29
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2020-29/#CVE-2020-12424
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-12424.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-12424.json
https://api.first.org/data/v1/epss?cve=CVE-2020-12424
https://bugzilla.mozilla.org/show_bug.cgi?id=1562600
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12424
https://security.gentoo.org/glsa/202007-10
https://ubuntu.com/security/notices/USN-4408-1
https://usn.ubuntu.com/usn/usn-4408-1
https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/#CVE-2020-12424
https://www.mozilla.org/en-US/security/advisories/mfsa2020-29/#CVE-2020-12424
https://www.mozilla.org/security/advisories/mfsa2020-24/
1872539 https://bugzilla.redhat.com/show_bug.cgi?id=1872539
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:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
CVE-2020-12424 https://nvd.nist.gov/vuln/detail/CVE-2020-12424
mfsa2020-24 https://www.mozilla.org/en-US/security/advisories/mfsa2020-24
mfsa2020-29 https://www.mozilla.org/en-US/security/advisories/mfsa2020-29
RHSA-2020:3555 https://access.redhat.com/errata/RHSA-2020:3555
RHSA-2020:3557 https://access.redhat.com/errata/RHSA-2020:3557
RHSA-2020:3559 https://access.redhat.com/errata/RHSA-2020:3559
RHSA-2020:4080 https://access.redhat.com/errata/RHSA-2020:4080
USN-4408-1 https://usn.ubuntu.com/4408-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-12424.json
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: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-12424
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:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-12424
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:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-12424
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 0.39537
EPSS Score 0.00089
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.