Mozilla: Undesired attributes could be set as part of prototype pollution
Published Dec 22, 2022
8.8
HIGHCVSS 3.1
EPSS 23.94%
Description
If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<102
- Version
-
- Version unspecifiedStatusaffectedConstraints<91.11
- Version
-
- Version unspecifiedStatusaffectedConstraints<102
- Version unspecifiedStatusaffectedConstraints<91.11
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | n/a |
| |||||||||
| Mozilla | Firefox ESR | n/a |
| |||||||||
| Mozilla | Thunderbird | n/a |
|
- < 102.0
- < 91.11
- < 91.11
No data.
Red Hat Enterprise Linux 7
firefox-0:91.11.0-2.el7_9
Fixed · RHSA-2022:5479
Red Hat Enterprise Linux 7
thunderbird-0:91.11.0-2.el7_9
Fixed · RHSA-2022:5480
Red Hat Enterprise Linux 8
firefox-0:91.11.0-2.el8_6
Fixed · RHSA-2022:5469
Red Hat Enterprise Linux 8
thunderbird-0:91.11.0-2.el8_6
Fixed · RHSA-2022:5470
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions
firefox-0:91.11.0-2.el8_1
Fixed · RHSA-2022:5477
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions
thunderbird-0:91.11.0-2.el8_1
Fixed · RHSA-2022:5478
Red Hat Enterprise Linux 8.2 Extended Update Support
firefox-0:91.11.0-2.el8_2
Fixed · RHSA-2022:5474
Red Hat Enterprise Linux 8.2 Extended Update Support
thunderbird-0:91.11.0-2.el8_2
Fixed · RHSA-2022:5475
Red Hat Enterprise Linux 8.4 Extended Update Support
firefox-0:91.11.0-2.el8_4
Fixed · RHSA-2022:5472
Red Hat Enterprise Linux 8.4 Extended Update Support
thunderbird-0:91.11.0-2.el8_4
Fixed · RHSA-2022:5473
Red Hat Enterprise Linux 9
firefox-0:91.11.0-2.el9_0
Fixed · RHSA-2022:5481
Red Hat Enterprise Linux 9
thunderbird-0:91.11.0-2.el9_0
Fixed · RHSA-2022:5482
Red Hat Enterprise Linux 6
firefox
Out of support scope
Red Hat Enterprise Linux 6
thunderbird
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | firefox-0:91.11.0-2.el7_9 | Fixed | RHSA-2022:5479 |
| Red Hat Enterprise Linux 7 | thunderbird-0:91.11.0-2.el7_9 | Fixed | RHSA-2022:5480 |
| Red Hat Enterprise Linux 8 | firefox-0:91.11.0-2.el8_6 | Fixed | RHSA-2022:5469 |
| Red Hat Enterprise Linux 8 | thunderbird-0:91.11.0-2.el8_6 | Fixed | RHSA-2022:5470 |
| Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions | firefox-0:91.11.0-2.el8_1 | Fixed | RHSA-2022:5477 |
| Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions | thunderbird-0:91.11.0-2.el8_1 | Fixed | RHSA-2022:5478 |
| Red Hat Enterprise Linux 8.2 Extended Update Support | firefox-0:91.11.0-2.el8_2 | Fixed | RHSA-2022:5474 |
| Red Hat Enterprise Linux 8.2 Extended Update Support | thunderbird-0:91.11.0-2.el8_2 | Fixed | RHSA-2022:5475 |
| Red Hat Enterprise Linux 8.4 Extended Update Support | firefox-0:91.11.0-2.el8_4 | Fixed | RHSA-2022:5472 |
| Red Hat Enterprise Linux 8.4 Extended Update Support | thunderbird-0:91.11.0-2.el8_4 | Fixed | RHSA-2022:5473 |
| Red Hat Enterprise Linux 9 | firefox-0:91.11.0-2.el9_0 | Fixed | RHSA-2022:5481 |
| Red Hat Enterprise Linux 9 | thunderbird-0:91.11.0-2.el9_0 | Fixed | RHSA-2022:5482 |
| Red Hat Enterprise Linux 6 | firefox | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Apr 15, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 23.94% (0.23941) | 97.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 24.12% (0.24122) | 97.56th | v5 (v2026.06.15) |
| Mar 16, 2026 | 6.20% (0.06199) | 90.73th | v4 (v2025.03.14) |
| Nov 21, 2025 | 4.87% (0.04872) | 89.08th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.93% (0.01932) | 81.92th | v4 (v2025.03.14) |
| Oct 19, 2025 | 4.87% (0.04872) | 89.03th | v4 (v2025.03.14) |
| Jun 29, 2025 | 6.20% (0.06196) | 90.39th | v4 (v2025.03.14) |
| Mar 30, 2025 | 8.18% (0.08182) | 91.38th | v4 (v2025.03.14) |
| Mar 29, 2025 | 20.64% (0.20635) | 92.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 8.18% (0.08182) | 91.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.54% (0.00541) | 78.08th | v3 (v2023.03.01) |
| Jul 14, 2024 | 0.34% (0.00342) | 71.77th | v3 (v2023.03.01) |
| Jun 3, 2024 | 0.38% (0.00383) | 73.00th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00357) | 71.31th | v3 (v2023.03.01) |
| Jan 24, 2024 | 0.36% (0.00357) | 69.28th | v3 (v2023.03.01) |
| Dec 29, 2023 | 0.31% (0.00306) | 66.63th | v3 (v2023.03.01) |
| Nov 22, 2023 | 0.21% (0.00213) | 59.25th | v3 (v2023.03.01) |
| May 8, 2023 | 0.18% (0.00184) | 54.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00177) | 53.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 23.33% (0.23331) | 96.69th | v2 (v2022.01.01) |
| Jan 4, 2023 | 23.33% (0.23331) | 96.59th | v2 (v2022.01.01) |
| Dec 23, 2022 | 2.30% (0.02304) | 81.03th | v2 (v2022.01.01) |
References (10)
- https://access.redhat.com/security/cve/CVE-2022-2200 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1771381 Issue TrackingPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2102168 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2022-2200
- https://www.cve.org/CVERecord?id=CVE-2022-2200
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-25/#CVE-2022-2200
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-26/#CVE-2022-2200
- https://www.mozilla.org/security/advisories/mfsa2022-24/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-25/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-26/ Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2022-2200 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1771381 | Issue TrackingPermissions RequiredVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2102168 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2022-2200 | ||
| https://www.cve.org/CVERecord?id=CVE-2022-2200 | ||
| https://www.mozilla.org/en-US/security/advisories/mfsa2022-25/#CVE-2022-2200 | ||
| https://www.mozilla.org/en-US/security/advisories/mfsa2022-26/#CVE-2022-2200 | ||
| https://www.mozilla.org/security/advisories/mfsa2022-24/ | Vendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2022-25/ | Vendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2022-26/ | Vendor Advisory |
Change history (0)
No recorded changes yet.