CVE-2024-20926: debian debian_linux Improper Access Control
Vulnerability summary
CVE-2024-20926 is a medium (CVSS 5.9) Improper Access Control vulnerability in debian debian_linux. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.2% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 31 · Related 19Timeline
- 16-01-2024PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Scripting). Supported versions that are affected are Oracle Java SE: 8u391, 8u391-perf, 11.0.21; Oracle GraalVM for JDK: 17.0.9; Oracle GraalVM Enterprise Edition: 20.3.12, 21.3.8 and 22.3.4. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).
CVSS metrics
6 scores · 6 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · WolfiEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.03%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.03% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
- CWE-502Deserialization of Untrusted DataThe product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
- CWE-693Protection Mechanism FailureThe product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
Affected systems
Chainguard22 products
- openjdk-11-openj9-default-policy< 0.53.0-r0
- openjdk-17< 17.0.5.8-r4
- openjdk-17-openj9-default-policy< 0.53.0-r0
- openjdk-21-openj9-default-policy< 0.48.0-r2
- openjdk-25-openj9< 0.59.0-r1
Ubuntu6 products
- openjdk-13All versions (No fix recorded)
- openjdk-16All versions (No fix recorded)
- openjdk-18All versions (No fix recorded)
- openjdk-8< 8u432-ga~us1-0ubuntu2~16.04.4 | < 8u402-ga-2ubuntu1~18.04 | < 8u402-ga-2ubuntu1~20.04 | < 8u402-ga-2ubuntu1~22.04
- openjdk-9All versions (No fix recorded)
Wolfi6 products
- openjdk-17< 17.0.5.8-r4
- openjdk-9< 9.0.4-r5
- openjdk-9-default-jdk< 9.0.4-r5
- openjdk-9-default-jvm< 9.0.4-r5
- openjdk-9-jre< 9.0.4-r5
Oracle4 products
- graalvmEOL20.3.1.2 | 21.3.8 | 22.3.4
- graalvm_for_jdk17.0.9 | 21.0.1
- jdkEOL1.8.0:update391 | 11.0.21 | 17.0.9 | 21.0.1
- jreEOL1.8.0:update391 | 11.0.21 | 17.0.9 | 21.0.1
Debian3 products
- openjdk-17< 17.0.10+7-1~deb12u1
- openjdk-21< 21.0.2+13-1
- debian_linuxEOL10.0
Netapp3 products
Oracle corporation1 product
- java se jdk and jreOracle Java SE:8u391 | Oracle Java SE:8u391-perf | Oracle Java SE:11.0.21 | Oracle GraalVM for JDK:17.0.9 | Oracle GraalVM Enterprise Edition:20.3.12 | Oracle GraalVM Enterprise Edition:21.3.8 | Oracle GraalVM Enterprise Edition:22.3.4
7 vendors · 45 products