by Kastro
Paper/Archive/CVE-2025-31691

CVE-2025-31691

Drupal OAuth2 Server — OAuth2 Server - Moderately critical - Access bypass - SA-CONTRIB-2025-020

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
37
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 37.7.377 × 207.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Missing Authorization vulnerability in Drupal OAuth2 Server allows Forceful Browsing.This issue affects OAuth2 Server: from 0.0.0 before 2.1.0.

Affected

ProductAffectedFixed inSource
OAuth2 Server0.0.0 – < 2.1.02.1.0CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refdrupal.org/sa-contrib-2025-020