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CVE Record

CVE-2023-22043: Vulnerability in Oracle Java SE (component: JavaFX).

Vulnerability in Oracle Java SE (component: JavaFX). The supported version that is affected is Oracle Java SE: 8u371. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data. Note: This vulnerability 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. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

MediumCVSS 5.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-22043 is a JavaFX vulnerability in Oracle Java SE 8u371. The main business risk is unauthorized modification, creation, or deletion of data accessible to Java. Oracle limits the concern to deployments that run untrusted sandboxed Java Web Start applications or applets, not server deployments that only run administrator-installed trusted code.

Executive priority

Treat this as a targeted legacy Java exposure issue, not a broad server emergency. Prioritize environments that still depend on Java sandboxing for untrusted client code because successful compromise affects data integrity.

Technical view

The source describes a difficult-to-exploit, unauthenticated network-accessible JavaFX issue affecting Oracle Java SE 8u371. CVSS 3.1 is 5.9 with high integrity impact, no confidentiality or availability impact. The vulnerability matters where Java sandboxing is a security boundary for untrusted code loaded from the internet.

Likely exposure

Exposure is most likely in legacy client or desktop Java environments using Java Web Start, applets, or JavaFX with untrusted sandboxed code. Server-side Java that only runs trusted administrator-installed code is stated as not affected by this vulnerability’s deployment scenario.

Exploitation context

The CVE is not listed as CISA KEV in the provided bundle, and no cited source states active exploitation. Oracle characterizes exploitation as difficult, but possible over a network without authentication when the relevant sandboxed untrusted-code model exists.

Researcher notes

No CWE is provided in the source bundle. The important scoping note is deployment-specific: sandboxed untrusted Java client code is in scope; trusted-code server deployments are not. Patch-level detail beyond the affected 8u371 version should be confirmed directly in Oracle guidance.

Mitigation direction

  • Review Oracle’s July 2023 CPU guidance for Java SE and apply the relevant supported update.
  • Identify and retire Java SE 8u371 where it runs untrusted sandboxed JavaFX code.
  • Disable or restrict Java Web Start and applet-style untrusted code paths where possible.
  • Limit Java client access to trusted sources until vendor guidance is applied.

Validation and detection

  • Inventory Oracle Java SE JDK and JRE installations and flag version 8u371.
  • Confirm whether JavaFX, Java Web Start, or applet workloads load untrusted internet-origin code.
  • Separate client sandboxed-code deployments from server deployments running only trusted code.
  • Verify remediation status against Oracle’s advisory and local package management records.
Prepared
Confidence
high
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2023-22043 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N2.23.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2023-22043Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationJava SE JDK and JREOracle Java SE:8u371Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.