CVE-2021-23682 : This affects the package litespeed.js before 0.3.12; the package appwrite/server

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.

Published 2022-02-16 17:15:11

Updated 2022-02-24 03:35:57

Source Snyk

View at NVD, CVE.org

Products affected by CVE-2021-23682

Appwrite » Appwrite
Versions from including (>=) 0.12.0 and before (<) 0.12.2
cpe:2.3:a:appwrite:appwrite:*:*:*:*:*:*:*:*
Matching versions
Appwrite » Appwrite
Versions before (<) 0.11.1
cpe:2.3:a:appwrite:appwrite:*:*:*:*:*:*:*:*
Matching versions
Litespeed.js Project » Litespeed.js » For Node.js
Versions before (<) 0.3.12
cpe:2.3:a:litespeed.js_project:litespeed.js:*:*:*:*:*:node.js:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-23682

EPSS FAQ

1.83%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 89 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-23682

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
7.3	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	3.9	3.4	Snyk
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: Low

CWE ids for CVE-2021-23682

CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-23682

https://github.com/appwrite/appwrite/releases/tag/0.11.1

Release Version 0.11.1 · appwrite/appwrite · GitHub
Release Notes;Third Party Advisory
https://snyk.io/vuln/SNYK-JS-LITESPEEDJS-2359250

Prototype Pollution in litespeed.js | CVE-2021-23682 | Snyk
Exploit;Third Party Advisory
https://github.com/litespeed-js/litespeed.js/pull/18

fix: prototype vulnerability in router by TorstenDittmann · Pull Request #18 · litespeed-js/litespeed.js · GitHub
Patch;Third Party Advisory
https://github.com/appwrite/appwrite/pull/2778

fix: security patches for 0.12.2 by TorstenDittmann · Pull Request #2778 · appwrite/appwrite · GitHub
Patch;Third Party Advisory
https://snyk.io/vuln/SNYK-PHP-APPWRITESERVERCE-2401820

Prototype Pollution in appwrite/server-ce | CVE-2021-23682 | Snyk
Exploit;Third Party Advisory
https://github.com/appwrite/appwrite/releases/tag/0.12.2

Release Version 0.12.2 · appwrite/appwrite · GitHub
Release Notes;Third Party Advisory

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Vulnerability Details : CVE-2021-23682

Products affected by CVE-2021-23682

Exploit prediction scoring system (EPSS) score for CVE-2021-23682

CVSS scores for CVE-2021-23682

CWE ids for CVE-2021-23682

References for CVE-2021-23682