CVE-2024-20999

System takeover via undisclosed Zones flaw

Published Apr 16, 2024 · Updated Mar 17, 2025

An unspecified flaw in Oracle Solaris 11 Zones allows local users with high privileges to take over the operating system. Oracle has not published the vulnerable Zones operation or how it mishandles attacker-controlled input. The attack requires a high-privileged host login and crosses a security boundary, exposing system data, state, and availability.

CVSS severity8.2
High
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An unspecified flaw in Oracle Solaris 11 Zones allows local users with high privileges to take over the operating system. Oracle has not published the vulnerable Zones operation or how it mishandles attacker-controlled input. The attack requires a high-privileged host login and crosses a security boundary, exposing system data, state, and availability.

The record

CVE
CVE-2024-20999
Published
Apr 16, 2024
Updated
Mar 17, 2025
Vendor
Oracle
Product
Oracle Solaris
Classifications
CWE-250, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Apr 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 17, 2025Record 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=11

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Oracle · Oracle Solarisversion=11

Published CVSS scores

8.2OracleCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-250Execution with Unnecessary Privileges
T1068Exploitation for Privilege Escalation

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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