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Vulnerabilities

Vulnerability · CVE-2021-2336

CVE-2021-2336 is listed by Vulnerability in the Oracle Database - Enterprise Edition Data Redaction component of Oracle Database Server..

Published Jul 21, 2021 · catalog updated Jun 17, 2026 · Oracle

Check if you run it

No confirmed exploitation is on record for CVE-2021-2336. EPSS is 0.61%. Act only if a listed version of Oracle is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low3.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.61%
Remediation
Advisory link
Affected products
cpe oracle/database

CVE-2021-2336 is listed by Vulnerability in the Oracle Database - Enterprise Edition Data Redaction component of Oracle Database Server..

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

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

How to fix CVE-2021-2336

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-2336. EPSS is 0.61%. Act only if a listed version of Oracle is installed.

Which versions are affected?

Compare what you have installed with 12.1.0.2, 12.2.0.1, 19c. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.61%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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. Jul 21, 2021 · Oracle Critical Patch Updates

    Detected

    CVE-2021-2336 is listed by Vulnerability in the Oracle Database - Enterprise Edition Data Redaction component of Oracle Database Server..

  2. Jun 17, 2026 · Oracle Critical Patch Updates

    Updated

    CVE-2021-2336 is listed by Vulnerability in the Oracle Database - Enterprise Edition Data Redaction component of Oracle Database Server..

Sources

  • CVE.orgVulnerability recordCVE-2021-2336

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-2336

    30-day exploitation probability 0.6%

    first.org
  • Oracle Critical Patch UpdatesVendor advisoryCVE-2021-2336

    Vulnerability in the Oracle Database - Enterprise Edition Data Redaction component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1 and 19c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Oracle Database - Enterprise Edition Data Redaction. Successful attacks requ

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.