CVE-2025-11957

Improper authorization in the temporary access workflow of Devolutions Server 2025.2.12.0 and earlier allows an authenticated basic user to self-approve or approve the temporary access requests of other users and gain unauthorized access to vaults and entries via crafted API requests.

VectorNETWORK

Published Bysecurity@devolutions.net

Published DateOct 22, 2025, 17:15

Weakness Type (CWE):CWE-639

CVSS Metrics

Base Score

Vector String

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Base Severity

CRITICAL

Version

4.0

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

HIGH

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

Confidentiality (C)

Integrity (I)

Availability (A)

References

https://devolutions.net/security/advisories/DEVO-2025-0015/

Base Score

CRITICAL9

Weakness Type (CWE):CWE-639

CVSS Metrics

Base Score

Vector String

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Base Severity

CRITICAL

Version

4.0

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

HIGH

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

Confidentiality (C)

Integrity (I)

Availability (A)