What is the CVSS score of CVE-2026-21930?

CVE-2026-21930 has a CVSS 3.1 base score of 2.3 (Low). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Oracle are affected by CVE-2026-21930?

CVE-2026-21930 is a low-severity vulnerability (CVSS 2.3). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation.

How to fix or mitigate CVE-2026-21930?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

Oracle CVE-2026-21930

LOW

2026-01-20 secalert_us@oracle.com

Oracle

2.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

2.3 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 20, 2026 - 22:15 nvd

LOW 2.3

DescriptionCVE.org

Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: Filesystems). The supported version that is affected is 8.8. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle ZFS Storage Appliance Kit executes to compromise Oracle ZFS Storage Appliance Kit. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle ZFS Storage Appliance Kit accessible data. CVSS 3.1 Base Score 2.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N).

AnalysisAI

Sun Zfs Storage Appliance Kit versions up to 8.8.0 contains a vulnerability that allows attackers to unauthorized update, insert or delete access to some of Oracle ZFS Storage Appli (CVSS 2.3).

Technical ContextAI

affects Sun Zfs Storage Appliance Kit. Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: Filesystems). The supported version that is affected is 8.8. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle ZFS Storage Appliance Kit executes to compromise Oracle ZFS Storage Appliance Kit. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle ZFS Storage Appliance Kit acces

RemediationAI

Monitor vendor advisories for a patch.

CVE-2026-21930 vulnerability details – vuln.today

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Oracle CVE-2026-21930

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code