CVE-2021-39234— Raw block data can be read bypassing ACL/authorization
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I. Basic Information for CVE-2021-39234
Vulnerability Information
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Vulnerability Title
Raw block data can be read bypassing ACL/authorization
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache Ozone 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Ozone是一个应用软件。一个面向Hadoop和云原生环境的可伸缩，冗余和分布式对象存储。 Apache Ozone 中存在访问控制错误漏洞，该漏洞源于产品未对用户添加有效的权限检查。攻击者可通过该漏洞绕过ACL检查访问敏感信息。以下产品及版本受到影响：Apache Ozone 1.2.0 之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache Ozone | 1.1 ~ 1.1 | - |
II. Public POCs for CVE-2021-39234
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|---|
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Same Patch Batch · Apache Software Foundation · 2021-11-19 · 8 CVEs total
| CVE-2021-41532 | Unauthenticated access to Ozone Recon HTTP endpoints | |
| CVE-2021-39236 | Owners of the S3 tokens are not validated | |
| CVE-2021-39235 | Access mode of block tokens are not enforced | |
| CVE-2021-39233 | Container-related datanode operations can be called without authorization | |
| CVE-2021-39232 | Missing admin check for SCM related admin commands | |
| CVE-2021-39231 | Missing authentication/authorization on internal RPC endpoints | |
| CVE-2021-36372 | Original block tokens are persisted and can be retrieved |
IV. Related Vulnerabilities
Same product: Apache Ozone
- CVE-2024-45106
Apache Ozone: Improper authentication when generating S3 sec - CVE-2023-39196
Apache Ozone: Missing mutual TLS authentication in one of th - CVE-2021-41532
Unauthenticated access to Ozone Recon HTTP endpoints - CVE-2021-39236
Owners of the S3 tokens are not validated - CVE-2021-39235
Access mode of block tokens are not enforced
Same vendor: Apache Software Foundation
- CVE-2026-39816
Apache NiFi: Missing Execute Code Required Permission on Tin - CVE-2026-25199
Apache CloudStack: Proxmox Extension Allows Unauthorized Cro - CVE-2026-25077
Apache CloudStack: Unauthenticated Command Injection in Dire - CVE-2025-69233
Apache CloudStack: Domain/account resources limits not honor - CVE-2025-66467
Apache CloudStack: MinIO policy remains intact on bucket del
Same weakness: CWE-20
V. Comments for CVE-2021-39234
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