CVE-2021-23566

Aliases:GHSA-qrpm-p2h7-hrv2
Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 14 Jan 2022, 20:05
Last modified:03 Nov 2025, 21:44

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.03% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
4 found
Dark Web
Not detected

Timeline

14 Jan 2022, 20:05
Published
Vulnerability first disclosed
03 Nov 2025, 21:44
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P
  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.03%• Percentile: 8%

Techniques & Countermeasures

  • CWE-704•Incorrect Type Conversion or Cast

    The product does not correctly convert an object, resource, or structure from one type to a different type.

Affected Systems

  • nanoid_project•nanoid

    ≥ 3.0.0, < 3.1.31

  • Npm•nanoid

    ≥ 3.0.0, < 3.1.31

References (9)