CVE-2024-28862: ROTP 6.2.2 and 6.2.1 has 0666 permissions for the .rb files.

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-16 · updated 2026-06-17
Weakness: CWE-276

Description

The Ruby One Time Password library (ROTP) is an open source library for generating and validating one time passwords. Affected versions had overly permissive default permissions. Users should patch to version 6.3.0. Users unable to patch may correct file permissions after installation.

Affected products

mdp rotp: from 6.2.1 before 6.3.0 — fixed in 6.3.0

How to fix

Upgrade to a fixed version: mdp rotp 6.3.0. Check the vendor advisory for mitigations.

References

https://github.com/mdp/rotp/security/advisories/GHSA-x2h8-qmj4-g62f
https://github.com/mdp/rotp/security/advisories/GHSA-x2h8-qmj4-g62f

Get alerted when CVE-2024-28862 or the next vulnerability affects your stack