Upstream information

CVE-2023-42818 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v3 Scores
  CNA (GitHub) National Vulnerability Database
Base Score 5.4 9.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction Required None
Scope Unchanged Unchanged
Confidentiality Impact None High
Integrity Impact Low High
Availability Impact Low High
CVSSv3 Version 3.1 3.1
No SUSE Bugzilla entries cross referenced.

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • govulncheck-vulndb >= 0.0.20250612T141001-1.1
 Patchnames:
openSUSE-Tumbleweed-2025-15225

SUSE Timeline for this CVE

CVE page created: Thu Sep 28 00:00:19 2023
CVE page last modified: Fri Jul 4 12:10:19 2025