CVE-2023-6017

CVE-2023-6017 is a high-severity vulnerability in H2o with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-840.

Key facts

Description

H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.

Frequently asked questions

What is CVE-2023-6017?
H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.
How severe is CVE-2023-6017?
CVE-2023-6017 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-6017 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6017?
CVE-2023-6017 affects H2o. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6017?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-6017 published?
CVE-2023-6017 was published on 2023-11-16 and last updated on 2026-06-17.

References

Affected products (1)

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