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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-24999 Detail

Description

qs before 6.10.3, as used in Express before 4.17.3 and other products, allows attackers to cause a Node process hang for an Express application because an __ proto__ key can be used. In many typical Express use cases, an unauthenticated remote attacker can place the attack payload in the query string of the URL that is used to visit the application, such as a[__proto__]=b&a[__proto__]&a[length]=100000000. The fix was backported to qs 6.9.7, 6.8.3, 6.7.3, 6.6.1, 6.5.3, 6.4.1, 6.3.3, and 6.2.4 (and therefore Express 4.17.3, which has "deps: [email protected]" in its release description, is not vulnerable).


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/expressjs/express/releases/tag/4.17.3 CVE, MITRE Release Notes 
https://github.com/ljharb/qs/pull/428 CVE, MITRE Issue Tracking  Patch 
https://github.com/n8tz/CVE-2022-24999 CVE, MITRE Exploit  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2023/01/msg00039.html CVE, MITRE Mailing List  Third Party Advisory 
https://security.netapp.com/advisory/ntap-20230908-0005/ CVE, MITRE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') cwe source acceptance level NIST   CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

9 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-24999
NVD Published Date:
11/26/2022
NVD Last Modified:
06/17/2026
Source:
MITRE