CVE-2023-36475
CVE-2023-36475 is a critical-severity vulnerability in Parseplatform Parse-server with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1321
- Affected product: Parseplatform Parse-server
- Published:
- Last modified:
Description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 5.5.2 and 6.2.1, an attacker can use a prototype pollution sink to trigger a remote code execution through the MongoDB BSON parser. A patch is available in versions 5.5.2 and 6.2.1.
Frequently asked questions
- What is CVE-2023-36475?
- Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 5.5.2 and 6.2.1, an attacker can use a prototype pollution sink to trigger a remote code execution through the MongoDB BSON parser. A patch is available in versions 5.5.2 and 6.2.1.
- How severe is CVE-2023-36475?
- CVE-2023-36475 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-2023-36475 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-36475?
- CVE-2023-36475 affects Parseplatform Parse-server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-36475?
- 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-2023-36475 published?
- CVE-2023-36475 was published on 2023-06-28 and last updated on 2026-06-17.
References
- https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90
- https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f
- https://github.com/parse-community/parse-server/issues/8674
- https://github.com/parse-community/parse-server/issues/8675
- https://github.com/parse-community/parse-server/releases/tag/5.5.2
- https://github.com/parse-community/parse-server/releases/tag/6.2.1
- https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6
Affected products (1)
- cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*
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