CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in cookiex-deep (the affected version is unknown). It has been declared as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-94. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

This affects all versions of package @cookiex/deep. The global proto object can be polluted using the __proto__ object.

The weakness was published 09/17/2021 as b5bea2b7f34a5fa9abb4446cbd038ecdbcd09c88. The advisory is shared for download at This vulnerability was named CVE-2021-23442 since 01/08/2021. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Applying the patch b5bea2b7f34a5fa9abb4446cbd038ecdbcd09c88 is able to eliminate this problem. The bugfix is ready for download at



CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.6
CNA Vector (Snyk): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Privilege escalation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: b5bea2b7f34a5fa9abb4446cbd038ecdbcd09c88


01/08/2021 CVE assigned
09/17/2021 +251 days Advisory disclosed
09/17/2021 +0 days VulDB entry created
09/22/2021 +5 days VulDB last update


Advisory: b5bea2b7f34a5fa9abb4446cbd038ecdbcd09c88
Status: Confirmed

CVE: CVE-2021-23442 (🔒)


Created: 09/17/2021 03:03 PM
Updated: 09/22/2021 02:29 PM
Changes: (1) source_cve_nvd_summary
Complete: 🔍


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