CVE-2021-23682 Prototype Pollution
Prototype pollution in query string parsing allows attackers to modify object prototypes, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-23682?
CVE-2021-23682 is a high-severity vulnerability in appwrite/server-ce, published on 16 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
This affects the package litespeed.js before 0.3.12; the package appwrite/server-ce from 0.12.0 and before 0.12.2, before 0.11.1. When parsing the query string in the getJsonFromUrl function, the key that is set in the result object is not properly sanitized leading to a Prototype Pollution vulnerability.
Weakness: CWE-1321
Which versions are affected by CVE-2021-23682?
6 open source packages ship an affected version, including appwrite/server-ce and litespeed.js. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
appwrite/server-ce Packagist | All versions | 0.11.1 |
appwrite/server-ce Packagist | All versions | 0.11.1 |
appwrite/server-ce Packagist | From 0.12.0 | 0.12.2 |
appwrite/server-ce Packagist | From 0.12.0 | 0.12.2 |
litespeed.js npm | All versions | 0.3.12 |
litespeed.js npm | All versions | 0.3.12 |
Products include Appwrite Appwrite, Litespeed.js Project Litespeed.js.
How do I fix CVE-2021-23682?
Upgrade appwrite/server-ce to a fixed version for your release line: 0.11.1 or 0.12.2.
Is CVE-2021-23682 being exploited?
There is no known exploitation of CVE-2021-23682 in the wild and no public exploit code.
Other vulnerabilities in appwrite/server-ce
Sources
Also known as GHSA-v9p9-535w-4285.