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CVE Record

CVE-2020-2828: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Web Services).

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Web Services). The supported version that is affected is 10.3.6.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP, T3 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 3.0 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2020-2828 affects Oracle WebLogic Server 10.3.6.0.0. An unauthenticated network attacker could use exposed IIOP or T3 access to read critical data from WebLogic. The source data describes confidentiality impact only, not data modification or service outage.

Executive priority

Treat this as a high-priority legacy middleware exposure issue. It can enable unauthorized access to critical application data without credentials, especially if WebLogic management or service protocols are reachable beyond trusted networks.

Technical view

Oracle identifies this as a WLS Web Services vulnerability in WebLogic Server 10.3.6.0.0. It is remotely reachable over IIOP and T3, requires no privileges or user interaction, and has CVSS 3.0 score 7.5 with high confidentiality impact.

Likely exposure

Exposure is most likely where legacy WebLogic Server 10.3.6.0.0 remains deployed and IIOP or T3 is reachable from untrusted networks. Internet-facing or partner-accessible middleware should be prioritized.

Exploitation context

The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. Oracle describes the vulnerability as easily exploitable by an unauthenticated network attacker with access via IIOP or T3.

Researcher notes

Evidence is limited to Oracle/CVE source data. The vulnerability is scoped to WebLogic Server 10.3.6.0.0 WLS Web Services, reachable over IIOP and T3, with confidentiality-only CVSS impact. No exploit details or KEV evidence are provided.

Mitigation direction

  • Review Oracle's April 2020 Critical Patch Update for WebLogic guidance.
  • Apply the relevant Oracle WebLogic Server security update where available.
  • Restrict IIOP and T3 access to trusted networks only.
  • Retire or upgrade unsupported legacy WebLogic deployments where feasible.
  • Monitor Oracle advisories for any later guidance or superseding fixes.

Validation and detection

  • Inventory WebLogic instances and confirm whether 10.3.6.0.0 is present.
  • Check whether IIOP or T3 is reachable from untrusted networks.
  • Verify the Oracle April 2020 CPU or superseding update status.
  • Review logs for unusual unauthenticated access to WebLogic services.
  • Confirm compensating network controls are documented and enforced.
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-2020-2828 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/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
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
7.5CVSS 3.0HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.5High
CVSS 3.0 vector shape for CVE-2020-2828Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/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 Server10.3.6.0.0Listed
Weakness

CWE details

No CWE listed

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