Oracle Zero Data Loss Recovery Appliance Software up to 23.1.202509 Security information disclosure

Summaryinfo

A vulnerability was found in Oracle Zero Data Loss Recovery Appliance Software up to 23.1.202509 and classified as problematic. This affects an unknown function of the component Security. The manipulation results in information disclosure. This vulnerability was named CVE-2026-21977. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Oracle Zero Data Loss Recovery Appliance Software up to 23.1.202509. Affected is an unknown code of the component Security. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

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).

The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2026-21977 since 01/05/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/21/2026). The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-3535). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Oracle

Name

• Zero Data Loss Recovery Appliance Software

Version

• 23.1.202509

License

• commercial

Website

• Vendor: https://www.oracle.com

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Once again VulDB remains the best source for vulnerability data.

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