How severe is CVE-2024-20959?

CVE-2024-20959 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-20959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20959?

CVE-2024-20959 affects Oracle Zfs Storage Appliance Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-20959?

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

Does CVE-2024-20959 have an EU (EUVD) identifier?

Yes. CVE-2024-20959 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18673.

When was CVE-2024-20959 published?

CVE-2024-20959 was published on 2024-01-16 and last updated on 2026-06-17.

CVE-2024-20959

CVE-2024-20959 is a medium-severity vulnerability in Oracle Zfs Storage Appliance Kit with a CVSS 3.x base score of 4.4. 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 4.4)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18673
Weakness: CWE-400
Affected product: Oracle Zfs Storage Appliance Kit
Published: 2024-01-16
Last modified: 2026-06-17

Description

Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: Core). 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle ZFS Storage Appliance Kit. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Frequently asked questions

What is CVE-2024-20959?: Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: Core). 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle ZFS Storage Appliance Kit. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
How severe is CVE-2024-20959?: CVE-2024-20959 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-20959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20959?: CVE-2024-20959 affects Oracle Zfs Storage Appliance Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-20959?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-20959 have an EU (EUVD) identifier?: Yes. CVE-2024-20959 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18673.
When was CVE-2024-20959 published?: CVE-2024-20959 was published on 2024-01-16 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpujan2024.html

Affected products (1)

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

More vulnerabilities in Oracle Zfs Storage Appliance Kit

CVE-2022-23943 — Critical (CVSS 9.8): Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap memory with…
CVE-2022-22720 — Critical (CVSS 9.8): Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the…
CVE-2022-25315 — Critical (CVSS 9.8): In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.
CVE-2022-25236 — Critical (CVSS 9.8): xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into…
CVE-2022-25235 — Critical (CVSS 9.8): xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a…
CVE-2021-44790 — Critical (CVSS 9.8): A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from…

All CVEs affecting Oracle Zfs Storage Appliance Kit →

Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities

CVE-2026-46775 — Critical (CVSS 9.9): Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0.…
CVE-2025-61303 — Critical (CVSS 9.8): Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a…
CVE-2025-43193 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7,…
CVE-2025-24269 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to…
CVE-2025-24264 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4,…
CVE-2025-24260 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5,…

Browse all CWE-400 (Uncontrolled Resource Consumption) vulnerabilities →