VDB
CVE-2023-42818
CVE-2023-42818
PUBLISHED
CVSS 5.4 MEDIUM
Reported by GitHub_M · Published September 27, 2023
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.
Risk Scores
CVSS 3.1
5.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| jumpserver | jumpserver | >= 3.6.0, < 3.6.5, < 3.5.6 |
| jumpserver | jumpserver | 3.6.0, 0 |
| jumpserver | jumpserver | >= 3.6.0, < 3.6.5, < 3.5.6 |
Exploit Intelligence
Timeline
- Sep 27, 2023 CVE Published
- Sep 28, 2023 EPSS Score
- Oct 30, 2023 EPSS Score
- Dec 1, 2023 EPSS Score
- Jan 2, 2024 EPSS Score
- Feb 3, 2024 EPSS Score
- Mar 5, 2024 EPSS Score
- Apr 6, 2024 EPSS Score
- May 8, 2024 EPSS Score
- Jun 9, 2024 EPSS Score
- Jul 11, 2024 EPSS Score
- Aug 12, 2024 EPSS Score