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CVE Record

CVE-2020-2798: 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). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows high privileged attacker with network access via IIOP, T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

HighCVSS 7.2Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2020-2798 affects Oracle WebLogic Server Web Services. A highly privileged attacker who can reach the server over IIOP or T3 could take over WebLogic, causing full confidentiality, integrity, and availability impact. It is serious, but the provided evidence does not show unauthenticated access or confirmed active exploitation.

Executive priority

Prioritize remediation for production WebLogic systems because successful exploitation could mean server takeover. Risk is highest where privileged accounts or service identities can reach IIOP or T3 across broad networks.

Technical view

Oracle describes an easily exploitable WebLogic Server WLS Web Services vulnerability affecting 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, and 12.2.1.4.0. CVSS 3.0 is 7.2: network attack vector, low complexity, high privileges required, no user interaction, unchanged scope, and high CIA impact.

Likely exposure

Exposure is likely where affected WebLogic versions remain deployed and high-privileged users or services can reach IIOP or T3. Internet exposure is not required; internal administrative, middleware, or service-network access can matter.

Exploitation context

The source bundle says exploitation requires high privileges and network access via IIOP or T3. The KEV flag is false, and no cited source confirms active exploitation. Treat exploit status as unconfirmed from the provided evidence.

Researcher notes

The key constraint is PR:H. Validation should focus on affected versions, protocol reachability, and privileged identity paths. Do not assume public exploitation from the provided sources; the bundle does not include KEV listing or exploit evidence.

Mitigation direction

  • Apply Oracle April 2020 Critical Patch Update guidance for affected WebLogic versions.
  • Restrict IIOP and T3 access to trusted administrative or application hosts.
  • Remove or upgrade affected WebLogic versions where patching is not feasible.
  • Review privileged WebLogic accounts and service identities for unnecessary access.
  • Monitor Oracle advisories for product-specific remediation details.

Validation and detection

  • Inventory WebLogic Server instances and confirm exact installed versions.
  • Verify whether versions 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, or 12.2.1.4.0 exist.
  • Confirm Oracle April 2020 CPU or equivalent vendor remediation is applied.
  • Map which hosts can reach WebLogic over IIOP and T3.
  • Review privileged access paths to WebLogic Web Services.
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-2020-2798 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.2 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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
7.2CVSS 3.0HighCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.2High
CVSS 3.0 vector shape for CVE-2020-2798Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0Listed
Weakness

CWE details

No CWE listed

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