VDB-318320 · CVE-2025-8312 · DEVO-2025-0013

Devolutions Server up to 2025.2.5.0 PAM Automatic Check-In deadlock

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Devolutions Server up to 2025.2.5.0. This affects an unknown part of the component PAM Automatic Check-In. Such manipulation leads to deadlock. This vulnerability is referenced as CVE-2025-8312. No exploit is available.

Detailsinfo

A vulnerability was found in Devolutions Server up to 2025.2.5.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the component PAM Automatic Check-In. The manipulation with an unknown input leads to a deadlock vulnerability. Using CWE to declare the problem leads to CWE-833. The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock. Impacted is availability. CVE summarizes:

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 2025.2.5.0 and earlier

The advisory is shared for download at devolutions.net. This vulnerability is handled as CVE-2025-8312 since 07/29/2025. The exploitation is known to be difficult. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 243231 (Devolutions Server <= 2025.2.5.0 Deadlock (DEVO-2025-0013) (CVE-2025-8312)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (243231). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Devolutions

Name

Server

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.6
VulDB Meta Temp Score: 2.6

VulDB Base Score: 2.6
VulDB Temp Score: 2.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deadlock
CWE: CWE-833 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 243231
Nessus Name: Devolutions Server <= 2025.2.5.0 Deadlock (DEVO-2025-0013) (CVE-2025-8312)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/29/2025 CVE reserved
07/30/2025 +1 days Advisory disclosed
07/30/2025 +0 days VulDB entry created
08/07/2025 +8 days VulDB entry last update

Sourcesinfo

Advisory: DEVO-2025-0013
Status: Confirmed

CVE: CVE-2025-8312 (🔒)
GCVE (CVE): GCVE-0-2025-8312
GCVE (VulDB): GCVE-100-318320

Entryinfo

Created: 07/30/2025 18:29
Updated: 08/07/2025 02:15
Changes: 07/30/2025 18:29 (54), 08/01/2025 13:59 (2), 08/07/2025 02:15 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.