SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

CRITICAL 9.8EPSS 30.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 30.6%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

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

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
30.57% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-94
Affected
h2o/h2o
Source
security@huntr.dev
EPSS trend
0%18%35%3 November 2026: 30.57%3 November 20263 November 2026

EPSS 30.6% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.