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Fencer Vulns
medium 6.5

CVE-2023-43040 json

IBM Spectrum Fusion HCI improper access control

published 2024-05-13 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47461

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

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.

Patch / fix

  • ibm storage_fusion_hci 2.8.0
  • ceph Debian 12 16.2.15+ds-0+deb12u1
  • ceph Debian 14, Debian 13 16.2.11+ds-5

debian advisories DEBIAN-CVE-2023-43040

  • ceph Ubuntu 20.04 LTS 15.2.17-0ubuntu0.20.04.6
  • ceph Ubuntu 22.04 LTS 17.2.6-0ubuntu0.22.04.3
  • ceph Ubuntu 24.04 LTS 18.2.0-0ubuntu6
  • ceph Ubuntu Pro 14.04 LTS 0.80.11-0ubuntu1.14.04.4+esm2
  • ceph Ubuntu Pro 16.04 LTS 10.2.11-0ubuntu0.16.04.3+esm1
  • ceph Ubuntu Pro 18.04 LTS 12.2.13-0ubuntu0.18.04.11+esm1

ubuntu advisories UBUNTU-CVE-2023-43040

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ceph ceph storage 5.3 2:16.2.10-248.el8cp
  • ceph ceph storage 5.3 2:16.2.10-248.el9cp
  • cephadm ceph storage 5.3 2:16.2.10-248.el8cp
  • cephadm ceph storage 5.3 2:16.2.10-248.el9cp
  • haproxy ceph storage 5.3 2.2.19-5.el8cp
  • librbd1 ceph storage 5.3 2:16.2.10-248.el8cp
  • librbd1 ceph storage 5.3 2:16.2.10-248.el9cp
  • librgw2 ceph storage 5.3 2:16.2.10-248.el8cp

red hat advisories RHSA-2024:0745RHSA-2023:5693

  • ceph CBL-Mariner 2.0 16.2.10-4

azure linux advisories AZL-40646

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-43040 updated cvss 6.3

rgw: improperly verified POST keys

  • Red Hat Ceph Storage 3 librgw2
    affected: no fix planned “Will not fix”
  • Red Hat Ceph Storage 4 librgw2
    affected: no fix planned “Out of support scope”
  • Red Hat Openshift Container Storage 4 librgw2
    affected: no fix planned “Will not fix”
  • Red Hat Openshift Data Foundation 4 librgw2
    affected: no fix available
  • Red Hat Ceph Storage 5.3 MON ceph 16.2.10-248.el8cp, cephadm 16.2.10-248.el8cp, librbd1 16.2.10-248.el8cp, librgw2 16.2.10-248.el8cp, ceph-mgr 16.2.10-248.el8cp, ceph-mon 16.2.10-248.el8cp, +22 more Red Hat Ceph Storage 5.3 OSD ceph 16.2.10-248.el8cp, librbd1 16.2.10-248.el8cp, librgw2 16.2.10-248.el8cp, ceph-osd 16.2.10-248.el8cp, ceph-base 16.2.10-248.el8cp, ceph-test 16.2.10-248.el8cp, +12 more Red Hat Ceph Storage 5.3 Tools ceph 16.2.10-248.el8cp, ceph 16.2.10-248.el9cp, haproxy 2.2.19-5.el8cp, haproxy22 2.2.19-5.el8cp, cephadm 16.2.10-248.el8cp, cephadm 16.2.10-248.el9cp, +46 more
    fixed: vendor fix RHSA-2024:0745
  • Red Hat Ceph Storage 6.1 Tools ceph 17.2.6-148.el9cp, cephadm 17.2.6-148.el9cp, librbd1 17.2.6-148.el9cp, librgw2 17.2.6-148.el9cp, rbd-nbd 17.2.6-148.el9cp, ceph-mib 17.2.6-148.el9cp, +16 more
    fixed: vendor fix RHSA-2023:5693
  • Red Hat Ceph Storage 6.1 Tools cephadm-ansible 3.0.0-1.el9cp
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

3.06% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • IBM Spectrum Fusion HCI
  • ibm spectrum_fusion_hci

Classification

Weakness
  • CWE-1220 Insufficient Granularity of Access Control

References

Sources

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.