CVE-2026-21977
Unknown Unknown - Not Provided
Unauthorized Read Access via Network in Oracle ZDLRA Security

Publication date: 2026-01-20

Last updated on: 2026-01-20

Assigner: Oracle

Description
Vulnerability in the Oracle Zero Data Loss Recovery Appliance Software product of Oracle Zero Data Loss Recovery Appliance (component: Security). Supported versions that are affected are 23.1.0-23.1.202509. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Zero Data Loss Recovery Appliance Software. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Zero Data Loss Recovery Appliance Software accessible data. CVSS 3.1 Base Score 3.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N).
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Meta Information
Published
2026-01-20
Last Modified
2026-01-20
Generated
2026-06-16
AI Q&A
2026-01-21
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21977
EUVD
EUVD-2026-3535
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
oracle zero_data_loss_recovery_appliance_software From 23.1.0 (inc) to 23.1.202509 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability exists in the Oracle Zero Data Loss Recovery Appliance Software. It is difficult to exploit and allows an unauthenticated attacker with network access via Oracle Net to potentially compromise the software. However, successful exploitation requires human interaction from someone other than the attacker. If exploited, it can lead to unauthorized read access to some of the data accessible by the software.

Impact Analysis

The impact of this vulnerability is unauthorized read access to a subset of data within the Oracle Zero Data Loss Recovery Appliance Software. This means sensitive information could be exposed without authorization, although the attack is difficult to execute and requires user interaction.

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