CVE-2025-12485 json
Improper privilege management during pre-MFA cookie handling in Devolutions Server allows a low-privileged authenticated user to impersonat…
published 2025-11-06 12 mo ago modified 2026-10-07 32 d ago also EUVD-2025-38050
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
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
Patch / fix
- devolutions devolutions_server 2025.2.17.0, 2025.3.6.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 12 mo ago
Exploit prediction
0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Devolutions Server
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
devolutions.net
/security/advisories/DEVO-2025-0016
vendor-advisory
Sources
- CVE List CVE-2025-12485
- NVD CVE-2025-12485
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.