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Findings

Vulnerability · CVE-2021-35557

CVE-2021-35557 is listed by Vulnerability in the Core RDBMS component of Oracle Database Server..

Published Oct 20, 2021 · corrected/updated Jun 17, 2026 · Oracle database · evidence confidence high

CVE-2021-35557 is listed by Vulnerability in the Core RDBMS component of Oracle Database Server..

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2021-35557 is a medium public vulnerability record for Oracle database. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Oracle database is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: oracle/database (12.1.0.2); oracle/database (12.2.0.1); oracle/database (19c); oracle/database (21c). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 4.3. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: oracle. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 20, 2021 · Oracle Critical Patch Updates

    Detected

    CVE-2021-35557 is listed by Vulnerability in the Core RDBMS component of Oracle Database Server..

  2. Jun 17, 2026 · Oracle Critical Patch Updates

    Updated

    CVE-2021-35557 is listed by Vulnerability in the Core RDBMS component of Oracle Database Server..

Affected

  • cpe oracle/database12.1.0.2
  • cpe oracle/database12.2.0.1
  • cpe oracle/database19c
  • cpe oracle/database21c

Sources

  • Oracle Critical Patch UpdatesVendor advisoryCVE-2021-35557

    Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 19c and 21c. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise Core RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial

    nvd.nist.gov

References