CVE-2021-39236
Owners of the S3 tokens are not validated
In Apache Ozone before 1.2.0, Authenticated users with valid Ozone S3 credentials can create specific OM requests, impersonating any other user.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In Apache Ozone before 1.2.0, Authenticated users with valid Ozone S3 credentials can create specific OM requests, impersonating any other user.
- Record
CVE-2021-39236- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-862
- Updated
- 2026-11-02
CVE List No score
Owners of the S3 tokens are not validated
In Apache Ozone before 1.2.0, Authenticated users with valid Ozone S3 credentials can create specific OM requests, impersonating any other user.
- Record
CVE-2021-39236- Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2021-2299 No score
In Apache Ozone before 1.2.0, Authenticated users with valid Ozone S3 credentials can create specific OM requests, impersonating any other user.
- Record
EUVD-2021-2299- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5993-wwpg-m92c
Apache Ozone user impersonation due to non-validation of Ozone S3 tokens
In Apache Ozone before 1.2.0, Authenticated users with valid Ozone S3 credentials can create specific OM requests, impersonating any other user.
- Record
GHSA-5993-wwpg-m92c- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-862, CWE-863
- Updated
- 2026-11-02
OSV
In Apache Ozone before 1.2.0, Authenticated users with valid Ozone S3 credentials can create specific OM requests, impersonating any other user.
- Record
CVE-2021-39236- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-5993-wwpg-m92c
Apache Ozone user impersonation due to non-validation of Ozone S3 tokens
In Apache Ozone before 1.2.0, Authenticated users with valid Ozone S3 credentials can create specific OM requests, impersonating any other user.
- Record
GHSA-5993-wwpg-m92c- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-862, CWE-863
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.hadoop:hadoop-ozone-ozone-managerMaven |
before 1.2.0 | 1.2.0 |
org.apache.hadoop:hadoop-ozone-ozone-managerMaven |
before 1.2.0, plus listed versions 0.4.0-alpha0.4.1-alpha0.5.0-beta1.0.01.1.0 |
1.2.0 |
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.
In short
CVE-2021-39236 is a high vulnerability (CVSS 8.8) 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 2.64%, the 85th percentile. Fixed in org.apache.hadoop:hadoop-ozone-ozone-manager 1.2.0.
References
mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C0fd74baa-88a0-39a2-8f3a-b982acb25d5a%40apache.org%3E
openwall.com/lists/oss-security/2021/11/19/7
issues.apache.org/jira/browse/HDDS-4763
nvd.nist.gov/vuln/detail/CVE-2021-39236
github.com/apache/ozone/pull/1871
lists.apache.org/thread/q0lhspolnwfbsw33w98b7b1923n1np4d