How severe is CVE-2024-20999?

CVE-2024-20999 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-20999 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20999?

CVE-2024-20999 affects Oracle Solaris. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-20999?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-20999 have an EU (EUVD) identifier?

Yes. CVE-2024-20999 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18713.

When was CVE-2024-20999 published?

CVE-2024-20999 was published on 2024-04-16 and last updated on 2026-06-17.

CVE-2024-20999

CVE-2024-20999 is a high-severity vulnerability in Oracle Solaris with a CVSS 3.x base score of 8.2. 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-250.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18713
Weakness: CWE-250
Affected product: Oracle Solaris
Published: 2024-04-16
Last modified: 2026-06-17

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Zones). The supported version that is affected is 11. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Solaris. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

Frequently asked questions

What is CVE-2024-20999?: Vulnerability in the Oracle Solaris product of Oracle Systems (component: Zones). The supported version that is affected is 11. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Solaris. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
How severe is CVE-2024-20999?: CVE-2024-20999 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-20999 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20999?: CVE-2024-20999 affects Oracle Solaris. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-20999?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-20999 have an EU (EUVD) identifier?: Yes. CVE-2024-20999 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18713.
When was CVE-2024-20999 published?: CVE-2024-20999 was published on 2024-04-16 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpuapr2024.html

Affected products (1)

cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:*

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