Prototype Pollution in Parse-Community Parse-Server
CVE-2022-39396
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Versions prior to 4.10.18, and prior to 5.3.1 on the 5.X branch, are vulnerable to Remote Code Execution via prototype pollution. An attacker can use this prototype pollution sink to trigger a remote code execution through the MongoDB BSON parser. This issue is patched in version 5.3.1 and in 4.10.18. There are no known workarounds.
Vulnerability class: Prototype Pollution
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.387 (98.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.387 · newest: 0.387 · change: 0.000
Affected products
- Parse-Community Parse-Server — versions < 4.10.18, >= 5.0.0, < 5.3.1
- Parseplatform Parse-Server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/parse-community/parse-server/security/advisories/GHSA-prm5-8g2m-24gg (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-39396?
- CVE-2022-39396 is a critical-severity vulnerability in Parse-Community Parse-Server, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.8/10. Published 2022-11-10.
- How severe is CVE-2022-39396?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-39396 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.