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Vulnerability details: VCID-vnd9-sdxf-aaaq
Vulnerability ID VCID-vnd9-sdxf-aaaq
Aliases CVE-2022-22739
Summary Malicious websites could have tricked users into accepting launching a program to handle an external URL protocol. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-1021 Improper Restriction of Rendered UI Layers or Frames
System Score Found at
rhas Important https://access.redhat.com/errata/RHSA-2022:0123
rhas Important https://access.redhat.com/errata/RHSA-2022:0124
rhas Important https://access.redhat.com/errata/RHSA-2022:0125
rhas Important https://access.redhat.com/errata/RHSA-2022:0126
rhas Important https://access.redhat.com/errata/RHSA-2022:0127
rhas Important https://access.redhat.com/errata/RHSA-2022:0128
rhas Important https://access.redhat.com/errata/RHSA-2022:0129
rhas Important https://access.redhat.com/errata/RHSA-2022:0130
rhas Important https://access.redhat.com/errata/RHSA-2022:0131
rhas Important https://access.redhat.com/errata/RHSA-2022:0132
cvssv3 6.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-22739.json
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
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epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
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epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
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epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
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epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
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epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
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epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
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epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2022-22739
cvssv3.1 6.5 https://bugzilla.mozilla.org/show_bug.cgi?id=1744158
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1744158
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=2039573
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2022-22739
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2022-22739
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-01
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-02
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-03
cvssv3.1 6.5 https://www.mozilla.org/security/advisories/mfsa2022-01/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-01/
cvssv3.1 6.5 https://www.mozilla.org/security/advisories/mfsa2022-02/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-02/
cvssv3.1 6.5 https://www.mozilla.org/security/advisories/mfsa2022-03/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-03/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-22739.json
https://api.first.org/data/v1/epss?cve=CVE-2022-22739
https://bugzilla.mozilla.org/show_bug.cgi?id=1744158
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4140
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22737
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22738
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22739
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22740
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22741
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22742
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22743
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22745
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22747
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22748
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22751
https://www.mozilla.org/security/advisories/mfsa2022-01/
https://www.mozilla.org/security/advisories/mfsa2022-02/
https://www.mozilla.org/security/advisories/mfsa2022-03/
2039573 https://bugzilla.redhat.com/show_bug.cgi?id=2039573
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:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
CVE-2022-22739 https://nvd.nist.gov/vuln/detail/CVE-2022-22739
mfsa2022-01 https://www.mozilla.org/en-US/security/advisories/mfsa2022-01
mfsa2022-02 https://www.mozilla.org/en-US/security/advisories/mfsa2022-02
mfsa2022-03 https://www.mozilla.org/en-US/security/advisories/mfsa2022-03
RHSA-2022:0123 https://access.redhat.com/errata/RHSA-2022:0123
RHSA-2022:0124 https://access.redhat.com/errata/RHSA-2022:0124
RHSA-2022:0125 https://access.redhat.com/errata/RHSA-2022:0125
RHSA-2022:0126 https://access.redhat.com/errata/RHSA-2022:0126
RHSA-2022:0127 https://access.redhat.com/errata/RHSA-2022:0127
RHSA-2022:0128 https://access.redhat.com/errata/RHSA-2022:0128
RHSA-2022:0129 https://access.redhat.com/errata/RHSA-2022:0129
RHSA-2022:0130 https://access.redhat.com/errata/RHSA-2022:0130
RHSA-2022:0131 https://access.redhat.com/errata/RHSA-2022:0131
RHSA-2022:0132 https://access.redhat.com/errata/RHSA-2022:0132
USN-5229-1 https://usn.ubuntu.com/5229-1/
USN-5246-1 https://usn.ubuntu.com/5246-1/
USN-5248-1 https://usn.ubuntu.com/5248-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-22739.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: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1744158
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T15:32:36Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1744158
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-2022-22739
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-2022-22739
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://www.mozilla.org/security/advisories/mfsa2022-01/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T15:32:36Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-01/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://www.mozilla.org/security/advisories/mfsa2022-02/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T15:32:36Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-02/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://www.mozilla.org/security/advisories/mfsa2022-03/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T15:32:36Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-03/
Exploit Prediction Scoring System (EPSS)
Percentile 0.48045
EPSS Score 0.00125
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.