// For flags

CVE-2023-43040

IBM Spectrum Fusion HCI improper access control

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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.

IBM Spectrum Fusion HCI 2.5.2 a 2.7.2 podría permitir que un atacante realice acciones no autorizadas en RGW para Ceph debido a un acceso inadecuado al depósito. ID de IBM X-Force: 266807.

A flaw was found in rgw. This flaw allows an unprivileged user to write to any bucket(s) accessible by a given key if a POST's form-data contains a key called 'bucket' with a value matching the bucket's name used to sign the request. This issue results in a user being able to upload to any bucket accessible by the specified access key as long as the bucket in the POST policy matches the bucket in the said POST form part.

*Credits: Josh Baergen, Lucas Henry, and Michael Steger - Digital Ocean
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-09-15 CVE Reserved
  • 2024-01-30 CVE Published
  • 2024-05-13 EPSS Updated
  • 2024-07-29 First Exploit
  • 2024-08-02 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-1220: Insufficient Granularity of Access Control
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
IBM
Search vendor "IBM"
 Spectrum Fusion HCI
Search vendor "IBM" for product "Spectrum Fusion HCI"
 >= 2.5.2 <= 2.7.2
Search vendor "IBM" for product "Spectrum Fusion HCI" and version " >= 2.5.2 <= 2.7.2"
en
Affected