CVE-2025-12485
Improper privilege management during pre-MFA cookie handling in Devolutions Server 2025.3.5.0 and...
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.8
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
- Record
CVE-2025-12485- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2025-38050
8.8
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
- Record
EUVD-2025-38050- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qj6m-vqpr-wffx
8.8
Improper privilege management during pre-MFA cookie handling in Devolutions Server 2025.3.5.0 and...
Improper privilege management during pre-MFA cookie handling in Devolutions Server 2025.3.5.0 and earlier 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.
- Record
GHSA-qj6m-vqpr-wffx- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
8.8
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
- Record
CVE-2025-12485- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-12485 is a high vulnerability (CVSS 8.8) in Devolutions Server, published November 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. No source names a fixed version.