RCE in H2o

CVE-2023-6016

An attacker is able to gain remote code execution on a server hosting the H2O dashboard through it's POJO model import feature.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.306 (98.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

H2o
H2oai H2oai/h2o-3 — versions unspecified

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

security@huntr.dev (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-6016?: CVE-2023-6016 is a critical-severity vulnerability in H2o, classified under Code Injection. CVSS score: 9.8/10. Published 2023-11-16.
How severe is CVE-2023-6016?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-6016 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.