CVE-2025-53047Network attack vector

Unauthenticated data disclosure via Bonjour

Published Oct 21, 2025 · Updated Oct 21, 2025

Information disclosure in Oracle Database Portable Clusterware allows remote attackers to read accessible data via Bonjour. Oracle has not published the vulnerable function or explained how it mishandles Bonjour input to expose the data. No credentials or user interaction are required; the reported consequence is limited to a subset of accessible data, although scope crosses into other products.

CVSS severity5.8
Medium
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Oracle Database Portable Clusterware allows remote attackers to read accessible data via Bonjour. Oracle has not published the vulnerable function or explained how it mishandles Bonjour input to expose the data. No credentials or user interaction are required; the reported consequence is limited to a subset of accessible data, although scope crosses into other products.

The record

CVE
CVE-2025-53047
Published
Oct 21, 2025
Updated
Oct 21, 2025
Vendor
Oracle Corporation
Product
Oracle Database
Classifications
CWE-200, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=19.3 <=19.28
  2. Affected versionversion=21.3 <=21.19
  3. Affected versionversion=23.4 <=23.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Oracle Databaseversion=19.3 <=19.28; version=21.3 <=21.19; version=23.4 <=23.9

Published CVSS scores

5.8Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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