Parse Server
CVE-2020-15126
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization logic validation
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could bypass authorization checks to access restricted resources by sending crafted requests to the affected application. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
In parser-server from version 3.5.0 and before 4.3.0, an authenticated user using the viewer GraphQL query can by pass all read security on his User object and can also by pass all objects linked via. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in npm
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. In parser-server from version 3.5.0 and before 4.3.0, an authenticated user using the viewer GraphQL query can by pass all read security on his User object and can also by pass all objects linked via relation or Pointer on his User object. Affected products include: Parseplatform Parse Server. Version information: version 3.5.0.
Know when Parse Server gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
In parser-server from version 3.5.0 and before 4.3.0, an authenticated user using the viewer GraphQL query can by pass all read security on his User object and can also by pass all objects linked via relation or Pointer on his User object.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
More in Parse Server
View allParse Server is an open source http web server backend. Rated critical severity (CVSS 10.0), this vulnerability is remot
Unauthenticated query injection in Parse Server before 9.6.0-alpha.12/8.6.38. PoC available.
Parse Server has an incorrect authorization vulnerability enabling unauthorized data access across applications.
### Impact Parse Server's built-in OAuth2 auth adapter exports a singleton instance that is reused directly across all
Parse Server has a CVSS 10.0 access control vulnerability enabling complete bypass of all data access restrictions.
parse-server is a Parse Server for Node.js / Express. Rated critical severity (CVSS 10.0), this vulnerability is remotel
Authentication bypass in Parse Server allows unauthenticated access to protected API endpoints. Parse Server is a popula
SQL injection in Parse Server before 9.6.0-alpha.2/8.6.28.
SQL injection in Parse Server before 9.6.0-alpha.5/8.6.31. Third Parse Server SQLi.
SQL injection in Parse Server before 9.6.0-alpha.5/8.6.31.
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Rated critical s
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Rated critical s
Exploit-DB