CVE-2025-62479Network attack vector

Authenticated service interruption through undisclosed Block Storage flaw

Published Oct 21, 2025 · Updated Oct 21, 2025

Denial of service in Block Storage in Oracle ZFS Storage Appliance Kit 8.8 allows remote authenticated users to interrupt service over HTTP. Oracle identifies the affected component as Block Storage but has not published the faulty function, request path, or input-handling operation. Exploitation requires a highly privileged appliance account with HTTP access and causes only a partial service interruption, with no reported data exposure or modification.

CVSS severity2.7
Low
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Denial of service in Block Storage in Oracle ZFS Storage Appliance Kit 8.8 allows remote authenticated users to interrupt service over HTTP. Oracle identifies the affected component as Block Storage but has not published the faulty function, request path, or input-handling operation. Exploitation requires a highly privileged appliance account with HTTP access and causes only a partial service interruption, with no reported data exposure or modification.

The record

CVE
CVE-2025-62479
Published
Oct 21, 2025
Updated
Oct 21, 2025
Vendor
Oracle
Product
Oracle ZFS Storage Appliance Kit
Classifications
CWE-267, T1499
Attack vector
network
Privileges
admin

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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=8.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle · Oracle ZFS Storage Appliance Kitversion=8.8

Published CVSS scores

2.7OracleCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-267Privilege Defined With Unsafe Actions
T1499Endpoint Denial of Service

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo