Apache CloudStack up to 4.20.2.0/4.22.0.0 MinIO Policy cleanup

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache CloudStack up to 4.20.2.0/4.22.0.0. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component MinIO Policy Handler. The manipulation leads to cleanup. This vulnerability is uniquely identified as CVE-2025-66467. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apache CloudStack up to 4.20.2.0/4.22.0.0. It has been rated as problematic. This issue affects an unknown code block of the component MinIO Policy Handler. The manipulation with an unknown input leads to a cleanup vulnerability. Using CWE to declare the problem leads to CWE-459. The product does not properly "clean up" and remove temporary or supporting resources after they have been used. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Missing MinIO policy cleanup on bucket deletion via Apache CloudStack allows users to retain access to buckets which they previously owned. If another user creates a new bucket with the same name, the previous owners can gain unauthorized read and write access to it by using the previously generated access and secret keys. Users are recommended to upgrade to Apache CloudStack versions 4.20.3.0 or 4.22.0.1, or later, which fixes this issue.

It is possible to read the advisory at lists.apache.org. The identification of this vulnerability is CVE-2025-66467 since 12/02/2025. The exploitation is known to be difficult. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/08/2026).

Upgrading to version 4.20.3.0 or 4.22.0.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1438). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Apache CloudStack

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.0
CNA Vector (apache): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cleanup
CWE: CWE-459
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: CloudStack 4.20.3.0/4.22.0.1

Timelineinfo

12/02/2025 CVE reserved
05/08/2026 +156 days Advisory disclosed
05/08/2026 +0 days VulDB entry created
05/08/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Confirmed

CVE: CVE-2025-66467 (🔒)
GCVE (CVE): GCVE-0-2025-66467
GCVE (VulDB): GCVE-100-362087
CERT Bund: WID-SEC-2026-1438 - Apache CloudStack: Mehrere Schwachstellen

Entryinfo

Created: 05/08/2026 16:14
Updated: 05/08/2026 19:45
Changes: 05/08/2026 16:14 (64), 05/08/2026 19:45 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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