CVE-2025-62795— JumpServer Unauthorized LDAP Configuration Access via WebSocket
Quick assessment
Affected
jumpserver jumpserver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
JumpServer是中国杭州飞致云信息科技（JumpServer）公司的一款开源堡垒机。 JumpServer v3.10.21-lts之前版本和v4.10.12-lts之前版本存在安全漏洞，该漏洞源于低权限用户可通过特制消息绕过授权检查，可能导致LDAP凭据泄露或意外同步操作。
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I. Basic Information for CVE-2025-62795
Vulnerability Information
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Vulnerability Title
JumpServer Unauthorized LDAP Configuration Access via WebSocket
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
JumpServer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JumpServer是中国杭州飞致云信息科技（JumpServer）公司的一款开源堡垒机。 JumpServer v3.10.21-lts之前版本和v4.10.12-lts之前版本存在安全漏洞，该漏洞源于低权限用户可通过特制消息绕过授权检查，可能导致LDAP凭据泄露或意外同步操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| jumpserver | jumpserver | < 3.10.21-lts | - |
|
II. Public POCs for CVE-2025-62795
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-62795 (1)
IV. Related Vulnerabilities
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Same weakness: CWE-863
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V. Comments for CVE-2025-62795
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