Use of weak credentials in emergency authentication component in Devolutions Server…
Priority MEDIUM 41CWE-1391Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Use of weak credentials in emergency authentication component in Devolutions Server allows an unauthenticated attacker to bypass authentication via brute forcing the short emergency codes generated by the server within a feasible timeframe. This issue affects the following versions : * Devolutions Server 2025.2.2.0 through 2025.2.3.0 * Devolutions Server 2025.1.11.0 and earlier
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00481 41st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Devolutions | Server | up to 2025.1.11.0; 2025.2.2.0 – 2025.2.3.0 | — | No fix listed | CNA |
- Server VendorDevolutions Affected up to 2025.1.11.0; 2025.2.2.0 – 2025.2.3.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:* | up to 2025.1.11.0; 2025.2.2.0 to before 2025.2.4.0 | Vulnerable | Devolutions |
- cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:* Versions up to 2025.1.11.0; 2025.2.2.0 to before 2025.2.4.0 Vulnerable ·Devolutions
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-6523
- 2026-10-03 Alias added: GHSA-qmwg-p2m2-4r2x
References
More Devolutions Server vulnerabilities
- TI-2026-02787 Improper authentication in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2026-02768 Improper input validation in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2024-02729 Missing authentication in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2026-02702 Improper Enforcement of Behavioral Controls in Devolutions Server 2025.3.15 and earlier… CVSS 3.1CRITICAL 9.8
- TI-2026-00411 SQL injection in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2023-00904 SQL injection in Devolutions Server CVSS 3.1HIGH 8.8
Sources
- CVE-2025-6523 · CVE Program
- CVE-2025-6523 · NVD
- FIRST EPSS
- GHSA-qmwg-p2m2-4r2x · GitHub Advisory Database · CC BY 4.0
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