CVE-2023-42818
CVSS 3.1 Score 9.8 of 10 (high)
Details
Published Sep 27, 2023
Updated: Oct 2, 2023
CWE ID 287
CWE ID 307
Summary
CVE-2023-42818 affects JumpServer, an open-source bastion host. When Multi-Factor Authentication (MFA) is enabled and users authenticate using a public key, the Koko SSH server fails to verify the corresponding private key. This vulnerability enables an attacker to attempt brute-force attacks against the SSH service using a disclosed public key. The issue has been resolved in versions 3.6.5 and 3.5.6. It is strongly recommended that users upgrade as soon as possible, as there are currently no known workarounds.
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Affected Products
- Fit2cloud Jumpserver
Advisories, Assessments, and Mitigations
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