CVE-2023-43040
CriticalPublished
IBM Spectrum Fusion HCI improper access control
- Published
- May 13, 2024
- Updated
- Nov 4, 2025
- Assigning CNA
- ibm
- Evidence observed
- Aug 4, 2026
Primary CVSS
9.8/ 10Critical
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.5%
Low · next 30 days
- Percentile
- 84.2%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
IBM Spectrum Fusion HCI 2.5.2 through 2.7.2 could allow an attacker to perform unauthorized actions in RGW for Ceph due to improper bucket access. IBM X-Force ID: 266807.
Sources
1CVE-2023-43040 PoC
Responsible use
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