by Kastro
Paper/Archive/CVE-2025-64180

CVE-2025-64180

Manager-io Manager — Manager-io/Manager: Complete Bypass of SSRF Protection via Time-of-Check Time-of-Use (TOCTOU)

EPSS 0.3%CVSS 10.0
critical.is priorityof 100
35
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 26.2.262 × 205.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Manager-io/Manager is accounting software. In Manager Desktop and Server versions 25.11.1.3085 and below, a critical vulnerability permits unauthorized access to internal network resources. The flaw lies in the fundamental design of the DNS validation mechanism. A Time-of-Check Time-of-Use (TOCTOU) condition that allows attackers to bypass network isolation and access internal services, cloud metadata endpoints, and protected network segments. The Desktop edition requires no authentication; the Server edition requires only standard authentication. This issue is fixed in version 25.11.1.3086.

Affected

ProductAffectedFixed inSource
Manager< 25.11.1.3086–CNA

Scores by source

GitHub_M (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/Manager-io/Manager/security/advisories/GHSA-j2xj-xhph-p74j