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CVE-2022-2200
If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading…
High8.8EPSS 23.9%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 23.9% · top 2.2% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- Undesired attributes could be set as part of prototype pollution
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (opens in a new tab)All about CWE-1321 and its CVEs
Affected products
- affected unspecified – < 102
- affected unspecified – < 91.11
- affected unspecified – < 102
- affected unspecified – < 91.11
References (4)
- https://www.mozilla.org/security/advisories/mfsa2022-24/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2022-26/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2022-25/ (opens in a new tab)x_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1771381 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-2200)Record last updated .