Prototype Pollution in Parse-Community Parse-Server
CVE-2022-41879
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. In versions prior to 5.3.3 or 4.10.20, a compromised Parse Server Cloud Code Webhook target endpoint allows an attacker to use prototype pollution to bypass the Parse Server `requestKeywordDenylist` option. This issue has been patched in versions 5.3.3 and 4.10.20. There are no known workarounds.
Vulnerability class: Prototype Pollution
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000
Affected products
- Parse-Community Parse-Server — versions < 4.10.20, >= 5.0.0, < 5.3.3
- Parseplatform Parse-Server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/parse-community/parse-server/security/advisories/GHSA-93vw-8fm5-p2jf (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-41879?
- CVE-2022-41879 is a high-severity vulnerability in Parse-Community Parse-Server, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.2/10. Published 2022-11-10.
- How severe is CVE-2022-41879?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2022-41879 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.