Devolutions Server
CVE-2021-23923
HIGH
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Lifecycle Timeline
1DescriptionNVD
An issue was discovered in Devolutions Server before 2020.3. There is Broken Authentication with Windows domain users.
AnalysisAI
An issue was discovered in Devolutions Server before 2020.3. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. An issue was discovered in Devolutions Server before 2020.3. There is Broken Authentication with Windows domain users. Affected products include: Devolutions Devolutions Server. Version information: before 2020.3..
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.
More in Devolutions Server
View allInput validation flaw in Devolutions Server error message page enables remote spoofing attacks.
Azure AD auth bypass in Devolutions Server 2025.3.15.0 and earlier.
Devolutions Server 2025.3.1 through 2025.3.6 contains a SQL injection vulnerability in the remote sessions component tha
Behavioral control bypass in Devolutions Server 2025.3.15 allows authenticated users to exploit delete permissions.
Improper access control in PAM vault permissions in Devolutions Server 2024.1.10.0 and earlier allows an authenticated u
An issue was discovered in Devolutions Server before 2020.3. Rated critical severity (CVSS 9.1), this vulnerability is r
SQL Injection vulnerability in last usage logs in Devolutions Server.2.20, through 2025.3.8. Rated high severity (CVSS 8
Improper access control in PAM JIT elevation in Devolutions Server 2024.1.6 and earlier allows an attacker with access t
Insufficient input sanitization in the documentation feature of Devolutions Server 2022.3.12 and earlier allows an authe
Improper access controls on some API endpoints in Devolutions Server 2022.3.12 and earlier could allow a standard privil
Incorrect permission management in Devolutions Server before 2022.2 allows a new user with a preexisting username to inh
Improper access control in user group management in Devolutions Server 2025.1.7.0 and earlier allows a non-administrativ
Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today