CVE-2025-62477 Denial of service in Oracle ZFS Storage Appliance Kit

Medium 4.9 Published 21 Oct 2025 Updated 22 Oct 2025

A high-privileged attacker can cause a complete denial of service on the Oracle ZFS Storage Appliance Kit via HTTP.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-62477?

CVE-2025-62477 is a medium-severity denial of service vulnerability in Oracle Zfs Storage Appliance Kit, published on 21 Oct 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: Remote Replication). The supported version that is affected is 8.8. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle ZFS Storage Appliance Kit. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle ZFS Storage Appliance Kit. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Weakness: CWE-400

Which versions are affected by CVE-2025-62477?

It affects 1 product.

Products include Oracle Zfs Storage Appliance Kit.

How do I fix CVE-2025-62477?

No fix has been published for CVE-2025-62477 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-62477 being exploited?

There is no known exploitation of CVE-2025-62477 in the wild and no public exploit code.

All Oracle Zfs Storage Appliance Kit vulnerabilities

Sources

Also known as GHSA-8r4x-gq7m-x9q4.