5.9

CVE-2024-20921: oracle corporation java se jdk and jre Incorrect Default Permissions

CVSS: 5.9v3.1MediumModified
AliasesUBUNTU-CVE-2024-20921DEBIAN-CVE-2024-20921CGA-23jr-xqmr-2fv4
Published 17-02-2024Last modified 04-11-2025
Open JSON

Vulnerability summary

CVE-2024-20921 is a medium (CVSS 5.9) Incorrect Default Permissions vulnerability in oracle corporation java se jdk and jre. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 57.8% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 47 · Related 34
DLA-3728-1DSA-5604-1DSA-5613-1MGASA-2024-0056MGASA-2024-0061OPENSUSE-SU-2024:13587-1

Timeline

  1. 17-02-2024
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Hotspot). Supported versions that are affected are Oracle Java SE: 8u391, 8u391-perf, 11.0.21, 17.0.9, 21.0.1; Oracle GraalVM for JDK: 17.0.9, 21.0.1; 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

EPSS trend

Probability

0.86%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.86% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.86%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard24 products
  • openjdk-11-openj9-default-policy< 0.53.0-r0
  • openjdk-17-openj9-default-policy< 0.53.0-r0
  • openjdk-18< 18.0.2.1.0-r6
  • openjdk-20-jre< 20.0.2.9-r5
  • openjdk-21< 21.0.2-r0
Ubuntu8 products
  • openjdk-13All versions (No fix recorded)
  • openjdk-16All versions (No fix recorded)
  • openjdk-17< 17.0.10+7-1~18.04.1 | < 17.0.10+7-1~20.04.1 | < 17.0.10+7-1~22.04.1
  • openjdk-18All versions (No fix recorded)
  • openjdk-21< 21.0.2+13-1~20.04.1 | < 21.0.2+13-1~22.04.1
Wolfi8 products
  • openjdk-18< 18.0.2.1.0-r6
  • openjdk-20-jre< 20.0.2.9-r5
  • openjdk-21< 21.0.2-r0
  • openjdk-9< 9.0.4-r5
  • openjdk-9-default-jdk< 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
Debian2 products
  • openjdk-17< 17.0.10+7-1~deb12u1
  • openjdk-21< 21.0.2+13-1
Oracle corporation1 product
  • java se jdk and jreOracle Java SE:8u391 | Oracle Java SE:8u391-perf | Oracle Java SE:11.0.21 | Oracle Java SE:17.0.9 | Oracle Java SE:21.0.1 | Oracle GraalVM for JDK:17.0.9 | Oracle GraalVM for JDK:21.0.1 | Oracle GraalVM Enterprise Edition:20.3.12 | Oracle GraalVM Enterprise Edition:21.3.8 | Oracle GraalVM Enterprise Edition:22.3.4

6 vendors · 47 products

References

11 links
Show all 11 references