Home/CVE/Improper privilege management during pre-MFA cookie handling in Devolutions Server allows a low-privileged authenticated
CVE

CVE-2025-12485

Improper privilege management during pre-MFA cookie handling in Devolutions Server allows a low-privileged authenticated

Improper privilege management during pre-MFA cookie handling in Devolutions Server allows a low-privileged authenticated user to impersonate another account by replaying the pre-MFA cookie.This does not bypass the target account MFA verification step. This issue affects the following versions : Devolutions Server 2025.3.2.0 through 2025.3.5.0 Devolutions Server 2025.2.15.0 and earlier.

HIGH · CVSS 8.8 EPSS 0.00076
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-269Improper Privilege Management
▤

Affected Products & Versions

2
devolutions server< 2025.2.17.0
devolutions server>= 2025.3.2.0 and < 2025.3.6.0
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · security@devolutions.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Nov 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://devolutions.net/security/advisories/DEVO-2025-0016Vendor Advisory
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