9.8
CRITICAL CVSS 3.1
CVE-2023-36475
Parse Server Remote Code Execution via 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.

INFO

Published Date :

June 28, 2023, 11:15 p.m.

Last Modified :

Nov. 21, 2024, 8:09 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2023-36475 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Parseplatform parse-server
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL [email protected]
CVSS 3.1 CRITICAL [email protected]
Public PoC/Exploit Available at Github

CVE-2023-36475 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-36475 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

A collection of Server-Side Prototype Pollution gadgets and exploits

exploits gadgets javascript prototype-pollution security typescript vulnerabilities

JavaScript TypeScript HTML EJS Haml Pug Blade

Updated: 4 weeks, 2 days ago
195 stars 15 fork 15 watcher
Born at : Sept. 21, 2022, 4:46 p.m. This repo has been linked 10 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-36475 vulnerability anywhere in the article.

  • Daily CyberSecurity
PyPI Rejects Malicious ZIP Archives to Block “Parser Confusion” Attacks

The Python Package Index (PyPI) has announced a set of new upload restrictions aimed at protecting Python package installers and inspection tools from ZIP parser confusion attacks. This move follows t ... Read more

Published Date: Aug 09, 2025 (1 week, 1 day ago)

The following table lists the changes that have been made to the CVE-2023-36475 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90
    Added Reference https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f
    Added Reference https://github.com/parse-community/parse-server/issues/8674
    Added Reference https://github.com/parse-community/parse-server/issues/8675
    Added Reference https://github.com/parse-community/parse-server/releases/tag/5.5.2
    Added Reference https://github.com/parse-community/parse-server/releases/tag/6.2.1
    Added Reference https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jul. 06, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90 No Types Assigned https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90 Patch
    Changed Reference Type https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f No Types Assigned https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f Patch
    Changed Reference Type https://github.com/parse-community/parse-server/issues/8674 No Types Assigned https://github.com/parse-community/parse-server/issues/8674 Issue Tracking, Patch
    Changed Reference Type https://github.com/parse-community/parse-server/issues/8675 No Types Assigned https://github.com/parse-community/parse-server/issues/8675 Issue Tracking, Patch
    Changed Reference Type https://github.com/parse-community/parse-server/releases/tag/5.5.2 No Types Assigned https://github.com/parse-community/parse-server/releases/tag/5.5.2 Release Notes
    Changed Reference Type https://github.com/parse-community/parse-server/releases/tag/6.2.1 No Types Assigned https://github.com/parse-community/parse-server/releases/tag/6.2.1 Release Notes
    Changed Reference Type https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6 No Types Assigned https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6 Vendor Advisory
    Added CPE Configuration OR *cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:* versions up to (excluding) 5.5.2 *cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:* versions from (including) 6.0.0 up to (excluding) 6.2.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

7.55 }} 4.55%

score

0.91297

percentile