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CVE Record

CVE-2021-2142: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Console).

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Console). The supported version that is affected is 10.3.6.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebLogic Server, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data as well as unauthorized read access to a subset of Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

MediumCVSS 6.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-2142 affects the Oracle WebLogic Server Console in version 10.3.6.0.0. An unauthenticated attacker with HTTP network access could compromise affected WebLogic data confidentiality and integrity, but exploitation requires user interaction. The source bundle does not identify active exploitation.

Executive priority

Treat as a moderate-priority remediation for any remaining WebLogic 10.3.6.0.0 estate, especially internet-exposed or broadly reachable consoles. Prioritize patching or isolation because compromise affects business data integrity and confidentiality.

Technical view

Oracle describes an easily exploitable Console vulnerability in WebLogic Server 10.3.6.0.0 with CVSS 6.1: AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. Impact is unauthorized read and update, insert, or delete access to some WebLogic-accessible data, with no availability impact stated.

Likely exposure

Highest concern is legacy WebLogic Server 10.3.6.0.0 where the Console is reachable over HTTP by users or networks that could interact with attacker-controlled content.

Exploitation context

The provided sources say exploitation is unauthenticated and network-reachable over HTTP, but requires human interaction. It is not listed as CISA KEV in the bundle, and no cited source claims active exploitation.

Researcher notes

The source bundle names only Oracle WebLogic Server 10.3.6.0.0 and the Console component. Oracle notes possible impact to additional products, but the bundle does not identify them, provide CWE classification, or describe a workaround beyond vendor CPU guidance.

Mitigation direction

  • Review Oracle's April 2021 Critical Patch Update guidance for CVE-2021-2142.
  • Apply the relevant Oracle WebLogic Server security updates or vendor-directed remediation.
  • Restrict WebLogic Console exposure to trusted administrative networks.
  • Confirm unsupported or legacy WebLogic deployments have an upgrade or retirement plan.

Validation and detection

  • Inventory WebLogic instances and identify any running version 10.3.6.0.0.
  • Verify whether the WebLogic Console is reachable over HTTP from untrusted networks.
  • Check patch records against Oracle's April 2021 Critical Patch Update.
  • Review access controls around administrative users who interact with the Console.
Prepared
Confidence
high
Sources
3

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-2021-2142 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
6.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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
0Timeline events
0ADP providers
2Source 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
6.1CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.1Medium
CVSS 3.1 vector shape for CVE-2021-2142Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationWebLogic Server10.3.6.0.0Listed
Weakness

CWE details

No CWE listed

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