CVE-2025-6523: devolutions server — Fix

Description

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

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CVSS v3.1 Score

7.7

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Weakness Type (CWE)

CWE-1391 CWE-1391

Affected Products

Vendor	Product	Versions
devolutions	devolutions_server	< 2025.1.11.0
devolutions	devolutions_server	2025.2.2.0 — 2025.2.4.0

References

Advisories & Patches

https://devolutions.net/security/advisories/DEVO-2025-0012/

Frequently Asked Questions

What is CVE-2025-6523? +

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 It has a CVSS v3.1 base score of 7.7 (HIGH).

How severe is CVE-2025-6523? +

CVE-2025-6523 has a CVSS v3.1 score of 7.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-6523? +

CVE-2025-6523 affects products from devolutions, specifically: devolutions_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6523? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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