CVE-2021-39231
Missing authentication/authorization on internal RPC endpoints
CVE-2021-39231 is a critical vulnerability (CVSS 9.1) in Apache Ozone, published November 19, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.37%, the 84th percentile. Fixed in org.apache.ozone:ozone-main 1.2.0.
- Severity
- 9.1 CriticalCVSS 3.1, NVD
- Exploit chance
- 2.37%EPSS, 84th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
1.2.0org.apache.ozone:ozone-main
Description
In Apache Ozone versions prior to 1.2.0, Various internal server-to-server RPC endpoints are available for connections, making it possible for an attacker to download raw data from Datanode and Ozone manager and modify Ratis replication configuration.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.ozone:ozone-mainMaven | before 1.2.0 | 1.2.0 |
What each source reports
NVD Score used
In Apache Ozone versions prior to 1.2.0, Various internal server-to-server RPC endpoints are available for connections, making it possible for an attacker to download raw data from Datanode and Ozone manager and modify Ratis replication configuration.
- Record
CVE-2021-39231- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
CVE ListNo score
Missing authentication/authorization on internal RPC endpoints
In Apache Ozone versions prior to 1.2.0, Various internal server-to-server RPC endpoints are available for connections, making it possible for an attacker to download raw data from Datanode and Ozone manager and modify Ratis replication configuration.
- Record
CVE-2021-39231- Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2021-2288No score
In Apache Ozone versions prior to 1.2.0, Various internal server-to-server RPC endpoints are available for connections, making it possible for an attacker to download raw data from Datanode and Ozone manager and modify Ratis replication configuration.
- Record
EUVD-2021-2288- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3w5h-x4rh-hc28
Exposure of sensitive information in Apache Ozone
In Apache Ozone versions prior to 1.2.0, Various internal server-to-server RPC endpoints are available for connections, making it possible for an attacker to download raw data from Datanode and Ozone manager and modify Ratis replication configuration.
- Record
GHSA-3w5h-x4rh-hc28- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-668, CWE-862
- Updated
- 2026-11-02
OSV
In Apache Ozone versions prior to 1.2.0, Various internal server-to-server RPC endpoints are available for connections, making it possible for an attacker to download raw data from Datanode and Ozone manager and modify Ratis replication configuration.
- Record
CVE-2021-39231- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-3w5h-x4rh-hc28
Exposure of sensitive information in Apache Ozone
In Apache Ozone versions prior to 1.2.0, Various internal server-to-server RPC endpoints are available for connections, making it possible for an attacker to download raw data from Datanode and Ozone manager and modify Ratis replication configuration.
- Record
GHSA-3w5h-x4rh-hc28- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-668, CWE-862
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.