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CVE Record

CVE-2021-35552: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Diagnostics).

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Diagnostics). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data. 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

CVE-2021-35552 lets an unauthenticated network attacker abuse Oracle WebLogic Server Diagnostics over HTTP. The documented impact is unauthorized modification of some WebLogic-accessible data, not data theft or service outage. Treat exposed affected WebLogic systems as a business integrity risk.

Executive priority

Prioritize remediation for exposed WebLogic servers because unauthenticated remote access can alter application-accessible data. The severity is moderate, but business urgency rises when affected systems support critical workflows or face untrusted networks.

Technical view

The vulnerability affects Oracle WebLogic Server 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0 in the Diagnostics component. CVSS 3.1 is 5.3: network attack vector, low complexity, no privileges, no user interaction, unchanged scope, low integrity impact only.

Likely exposure

Organizations running the listed WebLogic versions with HTTP network access are potentially exposed. Internet-facing, partner-facing, or broadly reachable internal WebLogic deployments should be prioritized because exploitation requires no authentication.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Oracle describes the issue as easily exploitable over HTTP by an unauthenticated attacker, but no exploit details are provided here.

Researcher notes

No CWE is listed in the provided sources. The available evidence supports integrity-only impact and does not support claims of confidentiality loss, availability impact, active exploitation, or specific exploit mechanics.

Mitigation direction

  • Review Oracle's October 2021 Critical Patch Update guidance for CVE-2021-35552.
  • Apply the relevant Oracle-supported WebLogic Server security updates.
  • Reduce HTTP exposure to WebLogic administration and application endpoints where business permits.
  • Restrict network access to trusted sources until patch status is confirmed.

Validation and detection

  • Inventory Oracle WebLogic Server versions across production and non-production environments.
  • Confirm whether versions 12.2.1.3.0, 12.2.1.4.0, or 14.1.1.0.0 are present.
  • Verify patch status against Oracle's October 2021 Critical Patch Update records.
  • Review access logs and change records for unexpected WebLogic-accessible data modifications.
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-2021-35552 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
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
5.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.3Medium
CVSS 3.1 vector shape for CVE-2021-35552Attack 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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationWebLogic Server12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0Listed
Weakness

CWE details

No CWE listed

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