title: Parse Server vulnerable to remote code execution via MongoDB BSON parser through prototype pollution
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.
problem types: CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
affected:
{
vendor: parse-community
product: parse-server
versions:
version: < 5.5.2, status: affected
version: >= 6.0.0, < 6.2.1, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.8
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]