How severe is CVE-2025-53047?

CVE-2025-53047 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-53047 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-53047?

CVE-2025-53047 affects Oracle Database Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-53047?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-53047 have an EU (EUVD) identifier?

Yes. CVE-2025-53047 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35287.

When was CVE-2025-53047 published?

CVE-2025-53047 was published on 2025-10-21 and last updated on 2026-06-17.

CVE-2025-53047

CVE-2025-53047 is a medium-severity vulnerability in Oracle Database Server with a CVSS 3.x base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35287
Weakness: CWE-200
Affected product: Oracle Database Server
Published: 2025-10-21
Last modified: 2026-06-17

Description

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 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N).

Frequently asked questions

What is CVE-2025-53047?: 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 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N).
How severe is CVE-2025-53047?: CVE-2025-53047 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-53047 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-53047?: CVE-2025-53047 affects Oracle Database Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-53047?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-53047 have an EU (EUVD) identifier?: Yes. CVE-2025-53047 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35287.
When was CVE-2025-53047 published?: CVE-2025-53047 was published on 2025-10-21 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpuoct2025.html

Affected products (1)

cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*

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