CVE-2023-6016
CVE-2023-6016 is a critical-severity vulnerability in H2o with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 31% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 31% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: H2o
- Published:
- Last modified:
Description
An attacker is able to gain remote code execution on a server hosting the H2O dashboard through it's POJO model import feature.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-6016?
- CVE-2023-6016 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-6016 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-6016?
- CVE-2023-6016 affects H2o. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-6016?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-6016 published?
- CVE-2023-6016 was published on 2023-11-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:h2o:h2o:-:*:*:*:*:*:*:*
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- CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
- CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.