CVE-2021-39236

HIGHNVD 8.88.8—

8.8

In Apache Ozone before 1.2.0, Authenticated users with valid Ozone S3 credentials can create specific OM requests, impersonating any other user.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 70.9%
KEV: Not listed

Published

November 19, 2021

Last Modified

November 21, 2024

References (6)

security@apachehttp://www.openwall.com/lists/oss-security/2021/11/19/7
security@apachehttps://issues.apache.org/jira/browse/HDDS-4763
security@apachehttps://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C0fd74baa-88a0-39a2-8f3a-b982acb25d5a%40apache.org%3E
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/11/19/7
af854a3a-2127-422b-91ae-364da2661108https://issues.apache.org/jira/browse/HDDS-4763
af854a3a-2127-422b-91ae-364da2661108https://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C0fd74baa-88a0-39a2-8f3a-b982acb25d5a%40apache.org%3E

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.apache.hadoop:hadoop-ozone-ozone-manager	0.4.0-alpha, 0.4.1-alpha, 0.5.0-beta, 1.0.0, 1.1.0	1.2.0	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-862Missing Authorization

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:20 UTCEG score recompute
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-39236?

CVE-2021-39236 is a high vulnerability published on November 19, 2021. In Apache Ozone before 1.2.0, Authenticated users with valid Ozone S3 credentials can create specific OM requests, impersonating any other user.

When was CVE-2021-39236 disclosed?

CVE-2021-39236 was first published in the National Vulnerability Database on November 19, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-39236 actively exploited?

CVE-2021-39236 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-39236?

CVE-2021-39236 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2021-39236?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-39236, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-39236

📅 Published

🔄 Last Modified

🔗 References (6)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-39236?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (6)

Frequently asked(5)

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