CVE-2023-43651

Name: CVE-2023-43651
Creator: NVD / NIST
Published: 2023-09-27T21:15:10.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.9/10EPSS 1.72%

Last modified Jun 17, 2026

CVE-2023-43651 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. JumpServer is an open source bastion host. An authenticated user can exploit a vulnerability in MongoDB sessions to execute arbitrary commands, leading to remote code execution. EPSS estimates a 1.72% chance of exploitation in the next 30 days.

Description

JumpServer is an open source bastion host. An authenticated user can exploit a vulnerability in MongoDB sessions to execute arbitrary commands, leading to remote code execution. This vulnerability may further be leveraged to gain root privileges on the system. Through the WEB CLI interface provided by the koko component, a user logs into the authorized mongoDB database and exploits the MongoDB session to execute arbitrary commands. This vulnerability has been addressed in versions 2.28.20 and 3.7.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Metrics

CVSS 3.1

9.9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

1.72%

74.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Fit2cloud	Jumpserver	>= 2.0.0, < 2.28.20
Fit2cloud	Jumpserver	>= 3.0.0, < 3.7.1

References

https://github.com/jumpserver/jumpserver/security/advisories/GHSA-4r5x-x283-wm96Exploit, Vendor Advisory
https://www.sonarsource.com/blog/diving-into-jumpserver-attackers-gateway-to-internal-networks-2-2
https://github.com/jumpserver/jumpserver/security/advisories/GHSA-4r5x-x283-wm96Exploit, Vendor Advisory

Timeline

Published: Sep 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-43651?

How severe is CVE-2023-43651?

CVE-2023-43651 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 1.72% probability of exploitation in the next 30 days.

How do I fix CVE-2023-43651?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-43651?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST