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VulnerabilityPublished Updated

CVE-2024-20955: Oracle GraalVM Enterprise Edition · Information Exposure

Affects Oracle GraalVM Enterprise EditionSource CVE Database V5

0

Not known to be exploited · CVSS 3.7 Low.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
3.7Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 44% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Jan 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

European organizations should implement a multi-layered mitigation approach beyond generic patching advice. First, they should inventory and identify all instances of Oracle GraalVM for JDK and Enterprise Edition in their environments, including versions, to assess exposure. In the interim, restrict network access to GraalVM services by enforcing strict firewall rules and network segmentation to limit exposure to trusted internal networks only. Employ intrusion detection and prevention systems (IDS/IPS) to monitor unusual access patterns or attempts to exploit network protocols associated with GraalVM. Conduct regular security audits and vulnerability scans focusing on GraalVM deployments. Additionally, implement application-level logging and monitoring to detect unauthorized access attempts. Where feasible, consider deploying GraalVM within isolated or containerized environments to reduce the attack surface. Finally, review and enforce least privilege principles for services interacting with GraalVM to minimize potential data exposure.

Description

Vulnerability in the Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Compiler). Supported versions that are affected are 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 GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

References

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