Home/CVE/The package nanoid from 3.0.0 and before 3.1.31 are vulnerable to Information Exposure via the valueOf() function which
CVE

CVE-2021-23566

The package nanoid from 3.0.0 and before 3.1.31 are vulnerable to Information Exposure via the valueOf() function which

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.

MEDIUM · CVSS 4 EPSS 0.00027
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-704Incorrect Type Conversion or Cast
▤

Affected Products & Versions

1
nanoid project nanoid>= 3.0.0 and < 3.1.31
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm nanoid MODERATE fixed in 3.1.31
⚠

Public Exploits & PoCs

4
pocgist.github.com · bc6d1eb9a3477d15d2772e876169a444gist.github.com
pocgithub.com · pull/328github.com
pocsnyk.io · SNYK-JAVA-ORGWEBJARSNPM-2332550snyk.io
pocsnyk.io · SNYK-JS-NANOID-2332193snyk.io
▣

Scoring & Timeline

4
MEDIUM · CVSS v3.1 · report@snyk.io
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Jan 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
⚑

Vendor Advisories

3
rhsaRHSA-2022:6156Important
rhsaRHSA-2022:5069Important
rhsaRHSA-2022:1476Moderate
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/ai/nanoid/commit/2b7bd9332bc49b6330c7ddb08e5c661833db2575PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/12/msg00025.html
https://lists.debian.org/debian-lts-announce/2025/01/msg00006.html
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