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CVE Record

CVE-2021-2211: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services).

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services). Supported versions that are affected are 10.3.6.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. 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).

MediumCVSS 5.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-2211 is a confidentiality issue in Oracle WebLogic Server. An unauthenticated network attacker could access critical WebLogic-accessible data, but Oracle rates exploitation difficulty as high. The main business concern is sensitive data exposure from affected WebLogic deployments reachable over T3 or IIOP.

Executive priority

Treat as a moderate-priority data exposure risk. Prioritize externally reachable WebLogic systems and environments containing regulated, customer, or business-critical data.

Technical view

Oracle identifies this as a WebLogic Server Web Services vulnerability affecting 10.3.6.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0. The CVSS 3.1 vector is AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N, indicating unauthenticated network access, high attack complexity, and confidentiality impact only.

Likely exposure

Exposure is most likely where affected Oracle WebLogic Server versions are deployed and reachable over T3 or IIOP. Internet-facing or broadly reachable middleware increases concern, especially if it handles sensitive application data.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. Oracle describes the flaw as difficult to exploit, but unauthenticated network access means exposed servers still merit timely remediation.

Researcher notes

Evidence supports confidentiality impact, affected versions, network attack vector, and high attack complexity. The bundle does not provide exploit details, indicators of compromise, or a standalone mitigation beyond Oracle CPU guidance.

Mitigation direction

  • Review Oracle's April 2021 Critical Patch Update guidance for CVE-2021-2211.
  • Apply the applicable Oracle WebLogic Server security patches or supported update path.
  • Restrict T3 and IIOP access to trusted networks where operationally possible.
  • Prioritize remediation for internet-facing or sensitive-data WebLogic environments.

Validation and detection

  • Inventory WebLogic Server versions across production and non-production environments.
  • Confirm whether T3 or IIOP endpoints are reachable from untrusted networks.
  • Verify patch status against Oracle's April 2021 CPU guidance.
  • Document compensating network controls for any temporarily unpatched systems.
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-2021-2211 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:H/I:N/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:H/I:N/A:N2.23.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2021-2211Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/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 Server10.3.6.0.0, 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0Listed
Weakness

CWE details

No CWE listed

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