CVE-2023-6017: H2O S3 Bucket Takeover
Vulnerability summary
CVE-2023-6017 is a high (CVSS 8.7) Business Logic Errors vulnerability in h2o. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 58.4% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Timeline
- 16-11-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST8.7HighCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS trend
Probability
0.85%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.85% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (huntr.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.
H2o1 product
- h2ona
H2oai1 product
- h2oai/h2o-3≥ unspecified, ≤ latest
2 vendors · 2 products