What is CVE-2023-28110?

CVE-2023-28110 is a medium-severity vulnerability in Fit2cloud Jumpserver, classified under Command Injection. CVSS score: 5.7/10. Published 2023-03-16.

How severe is CVE-2023-28110?

Medium severity. CVSS v3 base score is 5.7 out of 10.

RCE in Fit2cloud Jumpserver

CVE-2023-28110

Jumpserver is a popular open source bastion host, and Koko is a Jumpserver component that is the Go version of coco, refactoring coco's SSH/SFTP service and Web Terminal service. Prior to version 2.28.8, using illegal tokens to connect to a Kubernetes cluster through Koko can result in the execution of dangerous commands that may disrupt the Koko container environment and affect normal usage. The vulnerability has been fixed in v2.28.8.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.008 (55.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-77 — Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2023-28110?: CVE-2023-28110 is a medium-severity vulnerability in Fit2cloud Jumpserver, classified under Command Injection. CVSS score: 5.7/10. Published 2023-03-16.
How severe is CVE-2023-28110?: Medium severity. CVSS v3 base score is 5.7 out of 10.