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VulnerabilityPublished

CVE-2025-8353: Devolutions Server · UI Discrepancy for Security Feature

Affects Devolutions ServerSource CVE Database V5

0

Not known to be exploited · CVSS 5.9 Medium.

Data as of 26 Oct 2026, 11:07 UTC

CVSS 3.1 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Devolutions ServerAffected
  • =0
Fixed in–

AI-suggested

European organizations should immediately audit their Devolutions Server deployments to identify affected versions (2025.2.4.0 and earlier). Until a patch is released, organizations should implement strict monitoring of JIT access requests and approvals, focusing on anomalies such as approvals referencing deleted groups. Enforce multi-factor authentication (MFA) for all users with access to the JIT approval interface to reduce the risk of credential compromise. Limit the number of users authorized to approve JIT requests and implement strict role-based access controls (RBAC) to minimize the attack surface. Regularly review and clean up JIT Groups to reduce stale data that could be exploited. Enable detailed logging and alerting on JIT access activities to detect suspicious behavior promptly. Network segmentation and zero-trust principles should be applied to restrict access to the Devolutions Server management interface. Organizations should also prepare to apply patches immediately once available and consider vendor communication channels for early updates. Finally, conduct user training to raise awareness about the risks of stale UI states and the importance of verifying access requests carefully.

Description

UI synchronization issue in the Just-in-Time (JIT) access request approval interface in Devolutions Server 2025.2.4.0 and earlier allows a remote authenticated attacker to gain unauthorized access to deleted JIT Groups via stale UI state during standard checkout request processing.

References

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