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Vulnerability details: VCID-d6r1-h8ws-kqc9
Vulnerability ID VCID-d6r1-h8ws-kqc9
Aliases CVE-2022-1802
Summary If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of attacker-controlled JavaScript code in a privileged context.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-1802.json
epss 0.68769 https://api.first.org/data/v1/epss?cve=CVE-2022-1802
epss 0.68769 https://api.first.org/data/v1/epss?cve=CVE-2022-1802
epss 0.68769 https://api.first.org/data/v1/epss?cve=CVE-2022-1802
epss 0.68769 https://api.first.org/data/v1/epss?cve=CVE-2022-1802
epss 0.68769 https://api.first.org/data/v1/epss?cve=CVE-2022-1802
epss 0.68769 https://api.first.org/data/v1/epss?cve=CVE-2022-1802
epss 0.68769 https://api.first.org/data/v1/epss?cve=CVE-2022-1802
epss 0.68769 https://api.first.org/data/v1/epss?cve=CVE-2022-1802
epss 0.68769 https://api.first.org/data/v1/epss?cve=CVE-2022-1802
epss 0.68769 https://api.first.org/data/v1/epss?cve=CVE-2022-1802
cvssv3.1 8.8 https://bugzilla.mozilla.org/show_bug.cgi?id=1770137
ssvc Track* https://bugzilla.mozilla.org/show_bug.cgi?id=1770137
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2022-1802
archlinux Critical https://security.archlinux.org/AVG-2728
archlinux Critical https://security.archlinux.org/AVG-2729
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2022-19
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-19/
ssvc Track* https://www.mozilla.org/security/advisories/mfsa2022-19/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-1802.json
https://api.first.org/data/v1/epss?cve=CVE-2022-1802
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1529
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1802
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1834
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31736
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31737
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31738
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31740
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31741
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31742
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31747
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2089217 https://bugzilla.redhat.com/show_bug.cgi?id=2089217
AVG-2728 https://security.archlinux.org/AVG-2728
AVG-2729 https://security.archlinux.org/AVG-2729
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-2022-1802 https://nvd.nist.gov/vuln/detail/CVE-2022-1802
mfsa2022-19 https://www.mozilla.org/en-US/security/advisories/mfsa2022-19
mfsa2022-19 https://www.mozilla.org/security/advisories/mfsa2022-19/
RHSA-2022:4729 https://access.redhat.com/errata/RHSA-2022:4729
RHSA-2022:4730 https://access.redhat.com/errata/RHSA-2022:4730
RHSA-2022:4765 https://access.redhat.com/errata/RHSA-2022:4765
RHSA-2022:4766 https://access.redhat.com/errata/RHSA-2022:4766
RHSA-2022:4767 https://access.redhat.com/errata/RHSA-2022:4767
RHSA-2022:4768 https://access.redhat.com/errata/RHSA-2022:4768
RHSA-2022:4769 https://access.redhat.com/errata/RHSA-2022:4769
RHSA-2022:4770 https://access.redhat.com/errata/RHSA-2022:4770
RHSA-2022:4772 https://access.redhat.com/errata/RHSA-2022:4772
RHSA-2022:4773 https://access.redhat.com/errata/RHSA-2022:4773
RHSA-2022:4774 https://access.redhat.com/errata/RHSA-2022:4774
RHSA-2022:4776 https://access.redhat.com/errata/RHSA-2022:4776
show_bug.cgi?id=1770137 https://bugzilla.mozilla.org/show_bug.cgi?id=1770137
USN-5434-1 https://usn.ubuntu.com/5434-1/
USN-5435-1 https://usn.ubuntu.com/5435-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-1802.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:H/I:H/A:H Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1770137
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-16T15:16:27Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1770137
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-1802
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:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-19/
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-16T15:16:27Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-19/
Exploit Prediction Scoring System (EPSS)
Percentile 0.98548
EPSS Score 0.68769
Published At July 31, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:10:09.160758+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2022/mfsa2022-19.yml 37.0.0