CVE-2022-2564
CVE-2022-2564 is a critical-severity vulnerability in Mongoosejs Mongoose with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 33% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-1321.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 33% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1321
- Affected product: Mongoosejs Mongoose
- Published:
- Last modified:
Description
Prototype Pollution in GitHub repository automattic/mongoose prior to 6.4.6.
Frequently asked questions
- What is CVE-2022-2564?
- Prototype Pollution in GitHub repository automattic/mongoose prior to 6.4.6.
- How severe is CVE-2022-2564?
- CVE-2022-2564 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-2564 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-2564?
- CVE-2022-2564 affects Mongoosejs Mongoose. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-2564?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2022-2564 published?
- CVE-2022-2564 was published on 2022-07-28 and last updated on 2026-06-17.
References
- https://github.com/Automattic/mongoose/blob/51e758541763b6f14569744ced15cc23ab8b50c6/lib/schema.js#L88-L141
- https://github.com/Automattic/mongoose/compare/6.4.5...6.4.6
- https://github.com/automattic/mongoose/commit/a45cfb6b0ce0067ae9794cfa80f7917e1fb3c6f8
- https://huntr.dev/bounties/055be524-9296-4b2f-b68d-6d5b810d1ddd
Affected products (1)
- cpe:2.3:a:mongoosejs:mongoose:*:*:*:*:*:node.js:*:*
More vulnerabilities in Mongoosejs Mongoose
- CVE-2023-3696 — Critical (CVSS 9.8): Prototype Pollution in GitHub repository automattic/mongoose prior to 7.3.4.
- CVE-2024-53900 — Critical (CVSS 9.1): Mongoose before 8.8.3 can improperly use $where in match, leading to search injection.
- CVE-2019-17426 — Critical (CVSS 9.1): Automattic Mongoose through 5.7.4 allows attackers to bypass access control (in some applications) because any query…
- CVE-2025-23061 — Critical (CVSS 9.0): Mongoose before 8.9.5 can improperly use a nested $where filter with a populate() match, leading to search injection.…
- CVE-2026-42334 — High (CVSS 7.5): Mongoose is a MongoDB object modeling tool designed to work in an asynchronous environment. Prior to 6.13.9, 7.8.9,…
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