How severe is CVE-2025-62477?

CVE-2025-62477 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-62477 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-62477?

CVE-2025-62477 affects Oracle Zfs Storage Appliance Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-62477?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-62477 have an EU (EUVD) identifier?

Yes. CVE-2025-62477 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35240.

When was CVE-2025-62477 published?

CVE-2025-62477 was published on 2025-10-21 and last updated on 2026-06-17.

CVE-2025-62477

CVE-2025-62477 is a medium-severity vulnerability in Oracle Zfs Storage Appliance Kit with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35240
Weakness: CWE-400
Affected product: Oracle Zfs Storage Appliance Kit
Published: 2025-10-21
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2025-62477?: 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).
How severe is CVE-2025-62477?: CVE-2025-62477 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-62477 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-62477?: CVE-2025-62477 affects Oracle Zfs Storage Appliance Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-62477?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-62477 have an EU (EUVD) identifier?: Yes. CVE-2025-62477 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35240.
When was CVE-2025-62477 published?: CVE-2025-62477 was published on 2025-10-21 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpuoct2025.html

Affected products (1)

cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*

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