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CVE-2021-23566

Good to know:

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Date: January 14, 2022

The package nanoid from 3.0.0 and before 3.1.31 are vulnerable to Information Exposure via the valueOf() function which allows to reproduce the last id generated.

Language: JS

Severity Score

Related Resources (6)

https://github.com/ai/nanoid/commit/2b7bd9332bc49b6330c7ddb08e5c661833db2575
https://gist.github.com/artalar/bc6d1eb9a3477d15d2772e876169a444
https://nvd.nist.gov/vuln/detail/CVE-2021-23566
https://github.com/ai/nanoid/pull/328
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-23566
https://www.mend.io/vulnerability-database/CVE-2021-23566

Severity Score

Weakness Type (CWE)

Incorrect Type Conversion or Cast

CWE-704

Information Leak / Disclosure

CWE-200

Top Fix

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Upgrade Version

Upgrade to version nanoid - 3.1.31

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH
Additional information:

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