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CVE Record

CVE-2022-21305: Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component...

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Hotspot). Supported versions that are affected are Oracle Java SE: 7u321, 8u311, 11.0.13, 17.0.1; Oracle GraalVM Enterprise Edition: 20.3.4 and 21.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM Enterprise Edition 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 can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).

MediumCVSS 5.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This Java Hotspot flaw can let an unauthenticated network attacker change some data accessible to affected Java or GraalVM deployments. The business impact is integrity loss, not confirmed data theft or outage. Priority is highest where legacy Java clients run untrusted sandboxed code or services expose Java APIs to network-supplied data.

Executive priority

Treat as a moderate patch-management item. Prioritize systems running affected Java versions with internet-facing services or untrusted Java code, but available evidence does not support emergency response language.

Technical view

CVE-2022-21305 is a CWE-284 access-control issue in Oracle Java SE and Oracle GraalVM Enterprise Edition Hotspot. Affected versions include Java SE 7u321, 8u311, 11.0.13, 17.0.1 and GraalVM EE 20.3.4, 21.3.0. CVSS is 5.3 with network, low-complexity, unauthenticated exploitation and low integrity impact only.

Likely exposure

Exposure is most likely in environments still running the listed Oracle Java SE, GraalVM EE, or downstream OpenJDK packages, especially Java Web Start, sandboxed applet-style clients, or web services passing data into affected APIs.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation evidence. Oracle states exploitation is easy, unauthenticated, network reachable via multiple protocols, and relevant to sandboxed untrusted-code deployments or API use through services.

Researcher notes

The record names Hotspot but does not provide detailed root cause, exploit artifacts, or fixed version mapping in the provided bundle. Validation should focus on affected-version discovery, runtime provenance, and whether deployment patterns match Oracle's sandboxed-code or API-through-service exposure notes.

Mitigation direction

  • Inventory Java SE, GraalVM EE, and downstream OpenJDK runtimes across servers and endpoints.
  • Apply Oracle January 2022 CPU guidance or relevant Debian, Gentoo, NetApp vendor updates.
  • Remove or disable Java Web Start, applet, and untrusted sandboxed-code use where possible.
  • Review web services that pass network-supplied data into affected Java APIs.
  • If patching is delayed, restrict network exposure and follow vendor-specific compensating guidance.

Validation and detection

  • Confirm runtime versions are not Java SE 7u321, 8u311, 11.0.13, or 17.0.1.
  • Confirm GraalVM EE is not 20.3.4 or 21.3.0 where deployed.
  • Check package manager records against Debian, Gentoo, or vendor advisory update levels.
  • Identify any remaining Java Web Start, applet, or untrusted sandboxed-code workflows.
  • Review asset inventory for services exposing Java API processing to network inputs.
Prepared
Confidence
high
Sources
8

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-284: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2022-21305 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
5.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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
3Timeline events
2ADP providers
7Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

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
5.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4oracle

Vulnerability scoring details

Base CVSS 3.1 score

5.3Medium
CVSS 3.1 vector shape for CVE-2022-21305Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationJava SE JDK and JREOracle Java SE:7u321, Oracle Java SE:8u311, Oracle Java SE:11.0.13, Oracle Java SE:17.0.1, Oracle GraalVM Enterprise Edition:20.3.4, Oracle GraalVM Enterprise Edition:21.3.0Listed
Weakness

CWE details

CWE-284

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

CWE-284 · source CWE mapping

Improper Access Control

Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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