CVE-2023-6017 json
H2O S3 Bucket Takeover
published 2023-11-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58282
- cvss
- 8.7
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.com https://huntr.com/bounties/6a69952f-a1ba-4dee-9d8c-e87f52508b58 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.7 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N |
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
Affected products
- h2oai h2oai/h2o-3
Classification
- Weakness
-
- CWE-840 Business Logic Errors
References
-
huntr.com
/bounties/6a69952f-a1ba-4dee-9d8c-e87f52508b58
exploit, third-party-advisory
Sources
- CVE List CVE-2023-6017
- NVD CVE-2023-6017
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.