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Advisory record · GHSA-97w9-gcc7-vr8g

Insufficient Entropy in PHPServerMon PRNG

CVSS 2.6 LowEPSS 0.0089 · 59th percentile

Published by the GitHub Advisory Database at 16 Nov 2022, 12:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
phpservermon/phpservermonPackagist<3.6.03.6.0
Identifiers
GHSA-97w9-gcc7-vr8g · CVE-2021-4240 · PKSA-4xb6-5kd4-yqqn
Weakness (CWE)
CWE-330 · CWE-331 · CWE-1241
Tags
Published
16 Nov 2022
Updated
20 Feb 2024

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

PHPServerMon (phpservermon/phpservermon) versions before 3.6.0 generate password reset tokens with a predictable random number generator, so reset tokens can be guessed. The source gives few details on what an attacker must do beforehand or how far access would extend. Upgrade to version 3.6.0 or later.

Written 4 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
2.6 Low 3.1 CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N CNA (VulDB)
  • CISA KEV Not listed.
  • EPSS 0.0089, the 59th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:30 UTC First seen by agentprime
  2. 31 Oct 2026, 14:30 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.