CVE-2022-21563

Privileged data modification and partial service interruption

Published Jul 19, 2022 · Updated Sep 24, 2024

A Core flaw in Oracle ZFS Storage Appliance Kit 8.8 allows local users to modify appliance data and partially interrupt service. Oracle has not published the faulty Core operation or the input that reaches it. The attacker must already have high-privileged logon access to the appliance infrastructure; impact is limited to some data changes and partial denial of service.

CVSS severity3.4
Low
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A Core flaw in Oracle ZFS Storage Appliance Kit 8.8 allows local users to modify appliance data and partially interrupt service. Oracle has not published the faulty Core operation or the input that reaches it. The attacker must already have high-privileged logon access to the appliance infrastructure; impact is limited to some data changes and partial denial of service.

The record

CVE
CVE-2022-21563
Published
Jul 19, 2022
Updated
Sep 24, 2024
Vendor
Oracle
Product
Oracle ZFS Storage Appliance Kit
Classifications
T1565
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Jul 19, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2024Record 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=8.8

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Oracle · Oracle ZFS Storage Appliance Kitversion=8.8

Published CVSS scores

3.4OracleCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1565Data Manipulation

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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