Server: Deadlock
CVE-2025-8312 is a high-severity deadlock vulnerability in Server from Devolutions, with a CVSS 3.1 base score of 7.1 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected Server versions: 2025.2.2.0 through 2025.2.5.0; 2025.1.13.0 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.38% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Devolutions Server to 2025.2.7.0 or a later version.
- Read the advisory on devolutions.net for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Devolutions | Server | 2025.2.2.0 through 2025.2.5.0; 2025.1.13.0 and earlier | Not stated |
| Devolutions | Devolutions Server | before 2025.2.7.0 | 2025.2.7.0 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- HighSuccess depends on conditions outside the attacker's control.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- LowSome restricted data can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H. Scored by CISA (ADP).
Official description
Deadlock in PAM automatic check-in feature in Devolutions Server allows a password to remain valid beyond the end of its intended check-out period due to a deadlock occurring in the scheduling service.This issue affects the following version(s) : * Devolutions Server 2025.2.2.0 through 2025.2.5.0 * Devolutions Server 2025.1.12.0 and earlier
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Deadlock
The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Server
- 8.1 High severity
- 7.5 High severity
- 8.1 High severity
- 8.8 High severity
- 7.1 High severity
- 7.2 High severity
Recent Deadlock vulnerabilities
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
Spotted an error? Tell us.