CVE-2023-42819

HIGH

JumpServer 3.0.0-3.6.4 - Authenticated Path Traversal and Arbitrary File Write via Playbook File Endpoint

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-42819. PoCs published by C1ph3rX13.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2023-42819, targeting a vulnerability in Jumpserver. The exploit uses Selenium for automated login and REST API interactions to achieve arbitrary file read/write, leading to remote code execution via cron job manipulation.

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.

Exploits (1)

nomisec WORKING POC 6 stars
by C1ph3rX13 · poc
https://github.com/C1ph3rX13/CVE-2023-42819

This repository contains a functional exploit for CVE-2023-42819, targeting a vulnerability in Jumpserver. The exploit uses Selenium for automated login and REST API interactions to achieve arbitrary file read/write, leading to remote code execution via cron job manipulation.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Jumpserver (version not explicitly specified)
Auth required
Prerequisites: Valid credentials for Jumpserver · Network access to the target · ChromeDriver for Selenium automation
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Scores

CVSS v3 8.9
EPSS 0.0186
EPSS Percentile 76.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-22
Status published
Products (1)
fit2cloud/jumpserver 3.0.0 - 3.6.5
Published Sep 27, 2023
Tracked Since Feb 18, 2026