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Vulnerabilities

Vulnerability · CVE-2025-53047

Vulnerability in the Portable Clusterware component of Oracle Database Server.

Published Oct 21, 2025 · catalog updated Oct 22, 2025 · Oracle Corporation Oracle Database Server

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-53047. EPSS is 0.32%. Act only if a listed version of Oracle Corporation Oracle Database Server is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.32%
Remediation
Advisory link
Affected products
vendor Oracle Corporation Oracle Database Server 21.3 ≤21.19

Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.28, 21.3-21.19 and 23.4-23.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via Bonjour to compromise Portable Clusterware. While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized read access to a subset of Portable Clusterware accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality impacts). CVSS

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.

  • vendor Oracle Corporation Oracle Database Server 21.3 ≤21.1921.3 ≤21.19

How to fix CVE-2025-53047

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-2025-53047. EPSS is 0.32%. Act only if a listed version of Oracle Corporation Oracle Database Server is installed.

Which versions are affected?

Compare what you have installed with Oracle Corporation Oracle Database Server 21.3 ≤21.19 21.3 ≤21.19. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.32%. 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. Oct 21, 2025 · EUVD

    Detected

    Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.28, 21.3-21.19 and 23.4-23.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via Bonjour to compromise Portable Clusterware. While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (sco

  2. Oct 22, 2025 · EUVD

    Updated

    Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.28, 21.3-21.19 and 23.4-23.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via Bonjour to compromise Portable Clusterware. While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (sco

Sources

  • CVE.orgVulnerability recordCVE-2025-53047

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-53047

    30-day exploitation probability 0.32%

    first.org
  • EUVDVulnerability recordEUVD-2025-35287

    Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.28, 21.3-21.19 and 23.4-23.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via Bonjour to compromise Portable Cl

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026