CVE-2021-23566
Information Exposure
MEDIUM
5.5
CVSS Score
Published: January 14, 2022 at 08:05 PM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorNanoid
Using nanoid by N/A?
Get instant alerts when new vulnerabilities affect nanoid - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
v < 3.1.313.0.0 ≤ v < 3.1.31
Affected range stops below 3.1.31, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (7)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://gist.github.com/artalar/bc6d1eb9a3477d15d2772e876169a444x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/ai/nanoid/commit/2b7bd9332bc49b6330c7ddb08e5c661833db2575x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/ai/nanoid/pull/328x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2332550x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://snyk.io/vuln/SNYK-JS-NANOID-2332193Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/12/msg00025.htmlSource: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/01/msg00006.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-704
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card