CVE-2023-42818
9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD
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.
Affected (2)
Products: Fit2cloud: Jumpserver
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 3.5.6 |
Related CWEs
CWE-287
Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
CWE-307
Improper Restriction of Excessive Authentication Attempts
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks.
References (3)
Source: security-advisories@github.com
ExploitVendor Advisory
Source: security-advisories@github.com
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitVendor Advisory
Timeline
No history available yet.