CVE-2025-62795

JumpServer Unauthorized LDAP Configuration Access via WebSocket

Published Oct 30, 2025 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v3.10.21-lts and v4.10.12-lts, a low-privileged authenticated user can invoke LDAP configuration tests and start LDAP synchronization by sending crafted messages to the /ws/ldap/ WebSocket endpoint, bypassing authorization checks and potentially exposing LDAP credentials or causing unintended sync operations. This vulnerability is fixed in v3.10.21-lts and v4.10.12-lts.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Fit2cloud
Fit2cloud jumpserver
CPEs cpe:2.3:a:fit2cloud:jumpserver:*:*:*:*:*:*:*:*
Vendors & Products Fit2cloud
Fit2cloud jumpserver
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Jumpserver
Jumpserver jumpserver
Vendors & Products Jumpserver
Jumpserver jumpserver
Type Values Removed Values Added
Description JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v3.10.21-lts and v4.10.12-lts, a low-privileged authenticated user can invoke LDAP configuration tests and start LDAP synchronization by sending crafted messages to the /ws/ldap/ WebSocket endpoint, bypassing authorization checks and potentially exposing LDAP credentials or causing unintended sync operations. This vulnerability is fixed in v3.10.21-lts and v4.10.12-lts.
Title JumpServer Unauthorized LDAP Configuration Access via WebSocket
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Oct 31, 2025, 6:37 PM
Reserved
Oct 22, 2025, 6:55 PM
Status
Analyzed
Published
Oct 30, 2025, 5:15 PM
Modified
Oct 19, 2026, 1:10 PM