CVE-2023-42818 — SSH public key login without private key challenge if mfa is enabled in jumpserver
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. …
Published: 2023-09-27 · CVSS: 5.4 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7