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CVE Record

CVE-2020-14644: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). 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 IIOP, T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CriticalCVSS 9.8Known exploitedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This is a critical Oracle WebLogic Server flaw that can let an unauthenticated network attacker take over affected servers. Because CISA lists it in KEV, exploitation is known to have occurred. Systems running the named WebLogic versions should be treated as urgent remediation targets.

Executive priority

Treat this as an immediate patch and exposure-reduction issue for any affected WebLogic system. The business risk is full server takeover, and known exploitation raises urgency beyond routine vulnerability management.

Technical view

CVE-2020-14644 affects Oracle WebLogic Server Core versions 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0. Oracle rates it CVSS 9.8: network-accessible, low complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact via IIOP or T3.

Likely exposure

Exposure is likely where affected WebLogic Server instances are reachable over networks that permit IIOP or T3 access, especially from untrusted networks. Internal-only systems can still be at risk if attackers gain network foothold.

Exploitation context

Active exploitation is supported by the CISA Known Exploited Vulnerabilities listing. The provided sources do not include exploit mechanics, public exploit details, or indicators of compromise, so validation should focus on inventory, patch state, exposure, and vendor guidance.

Researcher notes

The source bundle confirms affected versions, attack vector, CVSS, impact, and KEV status. It does not provide CWE mapping, root-cause detail, exploit prerequisites beyond network access via IIOP or T3, or product-specific detection logic.

Mitigation direction

  • Apply Oracle's July 2020 Critical Patch Update or later applicable WebLogic fixes.
  • Prioritize affected WebLogic systems reachable via IIOP or T3.
  • Restrict untrusted network access to WebLogic services while remediation is underway.
  • Confirm unsupported or unpatched WebLogic versions are upgraded to supported, fixed releases.
  • Review Oracle and CISA guidance for any environment-specific remediation requirements.

Validation and detection

  • Inventory WebLogic Server versions across production, staging, and disaster recovery environments.
  • Identify servers running 12.2.1.3.0, 12.2.1.4.0, or 14.1.1.0.0.
  • Confirm whether IIOP or T3 is reachable from untrusted networks.
  • Verify Oracle CPU patch levels on every affected WebLogic instance.
  • Review security monitoring for suspicious WebLogic access around exposed services.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

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CVE-2020-14644 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
Critical
CVSS
9.8 (3.1)
Known Exploited
Yes
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/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
3Source links

CISA KEV status

Status
Known exploited
Source
CISA / ADP
Date added
Not provided

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
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2020-14644Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/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 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.