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TI-2021-16620 Aliases CVE-2021-39235GHSA-c6j7-4fr9-c76p

Access mode of block tokens are not enforced

Priority LOW 32CWE-732Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

In Apache Ozone before 1.2.0, Ozone Datanode doesn't check the access mode parameter of the block token. Authenticated users with valid READ block token can do any write operation on the same block.

Why it matters now

EPSS 0.01551 75th percentileScored 2026-11-07
Fix Fixed org.apache.ozone:ozone-main (Maven): 1.2.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Ozone1.0 – 1.0—No fix listedCNA
—org.apache.ozone:ozone-main (Maven)before 1.2.01.2.0Patch availableGHSA-c6j7-4fr9-c76p
  • Apache Ozone VendorApache Affected 1.0 – 1.0 Fixed in — No fix listed CNA
  • org.apache.ozone:ozone-main (Maven) Vendor— Affected before 1.2.0 Fixed in 1.2.0 Patch available GHSA-c6j7-4fr9-c76p

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:ozone:*:*:*:*:*:*:*:*before 1.2.0VulnerableApache
  • cpe:2.3:a:apache:ozone:*:*:*:*:*:*:*:* Versions before 1.2.0 Vulnerable ·Apache

Remediation

  • Fix · GHSA-c6j7-4fr9-c76p org.apache.ozone:ozone-main (Maven) Fixed in 1.2.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-39235
  2. 2026-10-03 Alias added: GHSA-c6j7-4fr9-c76p

References

Advisory 3

Other 1

  • TI-2021-14726 Original block tokens are persisted and can be retrieved CVSS 3.1CRITICAL 9.8
  • TI-2021-16618 Container-related datanode operations can be called without authorization CVSS 3.1CRITICAL 9.1
  • TI-2021-16616 Missing authentication/authorization on internal RPC endpoints CVSS 3.1CRITICAL 9.1
  • TI-2021-16621 Owners of the S3 tokens are not validated CVSS 3.1HIGH 8.8
  • TI-2021-16617 Missing admin check for SCM related admin commands CVSS 3.1HIGH 8.8
  • TI-2024-30207 Apache Ozone: Improper authentication when generating S3 secrets CVSS 3.1HIGH 8.1
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences