Security Advisory

CVE-2023-42818

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-09-27 20:28:30

Last updated 2025-03-25 19:28:32

Assigner GitHub_M

State PUBLISHED

Description

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication against the SSH service This issue has been patched in versions 3.6.5 and 3.5.6. Users are advised to upgrade. There are no known workarounds for this issue.

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