CVE-2023-42819
high-risk
Published 2023-09-27
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.
Do I need to act?
!
40.8% chance of exploitation in next 30 days
EPSS score — higher than 59% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.9/10
High
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (4)
52
/ 100
high-risk
Severity
30/34 · Critical
Exploitability
17/34 · Moderate
Exposure
5/34 · Minimal