9.8

CVE-2023-43040: IBM Spectrum Fusion HCI improper access control

Modified
AliasesUBUNTU-CVE-2023-43040USN-6613-1DEBIAN-CVE-2023-43040
Published 13-05-2024Last modified 04-11-2025

Vulnerability summary

CVE-2023-43040 is a critical (CVSS 9.8) vulnerability in ibm spectrum fusion hci. EPSS estimates a 3.06% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.06%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5
DLA-3629-1DLA-4310-1DSA-5825-1RHSA-2023:5693RHSA-2024:0745

Timeline

  1. 13-05-2024
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

3.06%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.06% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ibm2 products
Debian1 product
  • ceph< 16.2.15+ds-0+deb12u1 | < 16.2.11+ds-5
Ubuntu1 product
  • ceph< 18.2.0-0ubuntu6 | < 0.80.11-0ubuntu1.14.04.4+esm2 | < 10.2.11-0ubuntu0.16.04.3+esm1 | < 12.2.13-0ubuntu0.18.04.11+esm1 | < 15.2.17-0ubuntu0.20.04.6 | < 17.2.6-0ubuntu0.22.04.3

3 vendors · 4 products

References

10 links