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CVE-2023-42819— Path traversal in Jumpserver

Quick assessment

Affected
jumpserver jumpserver
Exploitation
Public or AI PoC available; prioritize validation
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有限公司的一款开源堡垒机。 JumpServer 存在路径遍历漏洞，该漏洞源于登录用户可以访问和修改系统上任何文件的内容。

CVSS 8.9 · High EPSS 2.21% · P82

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2023-42819

Vulnerability Information
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Vulnerability Title
Path traversal in Jumpserver
Source: CVE Program / CVE List V5
Vulnerability Description
JumpServer is an open source bastion host. Logged-in users can access and modify the contents of any file on the system. A user can use the 'Job-Template' menu and create a playbook named 'test'. Get the playbook id from the detail page, like 'e0adabef-c38f-492d-bd92-832bacc3df5f'. An attacker can exploit the directory traversal flaw using the provided URL to access and retrieve the contents of the file. `https://jumpserver-ip/api/v1/ops/playbook/e0adabef-c38f-492d-bd92-832bacc3df5f/file/?key=../../../../../../../etc/passwd` a similar method to modify the file content is also present. This issue has been addressed in version 3.6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Jumpserver 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jumpserver是中国杭州飞致云信息科技有限公司的一款开源堡垒机。 JumpServer 存在路径遍历漏洞，该漏洞源于登录用户可以访问和修改系统上任何文件的内容。
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 >= 3.0.0, < 3.6.5 -

II. Public POCs for CVE-2023-42819

# POC Description Source Link Shenlong Link
1 CVE-2023-42819 https://github.com/C1ph3rX13/CVE-2023-42819 POC Details
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6931 chars
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III. Intelligence Information for CVE-2023-42819

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Patches & Fixes for CVE-2023-42819 (1)

Vendor Advisories for CVE-2023-42819 (1)

IV. Related Vulnerabilities

Same product: jumpserver
Same vendor: jumpserver
Same weakness: CWE-22

V. Comments for CVE-2023-42819

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