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CVE Record

CVE-2021-2456: Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Fusion Middleware (c...

Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Fusion Middleware (component: Analytics Web General). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Business Intelligence Enterprise Edition. Successful attacks of this vulnerability can result in takeover of Oracle Business Intelligence Enterprise Edition. 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 9.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2021-2456 is a critical Oracle Business Intelligence Enterprise Edition flaw. An unauthenticated attacker reachable over HTTP could compromise the application. Oracle describes the impact as full confidentiality, integrity, and availability loss, meaning successful compromise could expose data, alter reporting, and disrupt BI services.

Executive priority

Prioritize urgently if OBIEE supports sensitive reporting, finance, customer, or operational data. The score and unauthenticated HTTP attack path make this a board-visible risk for exposed systems, even without confirmed active exploitation in the provided sources.

Technical view

The affected product is Oracle Business Intelligence Enterprise Edition 12.2.1.4.0, component Analytics Web General. The CVSS 3.1 score is 9.8 with network access, low complexity, no privileges, and no user interaction required. The source bundle does not provide CWE details or implementation-level root cause.

Likely exposure

Exposure is most likely where OBIEE 12.2.1.4.0 is reachable over HTTP from untrusted networks, partner networks, or broad internal segments. Internet-facing deployments should be treated as highest priority.

Exploitation context

The CVE states exploitation is easy and unauthenticated over HTTP. The provided bundle does not show CISA KEV listing or confirmed active exploitation, so active exploitation should not be claimed from these sources.

Researcher notes

Do not assume other Oracle Fusion Middleware products are affected from this bundle. The affected version listed is OBIEE 12.2.1.4.0 only. The bundle lacks CWE, exploit artifacts, and detailed fix mechanics; use Oracle and ZDI references for authoritative technical follow-up.

Mitigation direction

  • Identify all Oracle BI Enterprise Edition 12.2.1.4.0 deployments.
  • Review Oracle July 2021 Critical Patch Update guidance for this CVE.
  • Apply vendor-supported updates or mitigations from Oracle guidance.
  • Restrict HTTP access to trusted networks while remediation is validated.
  • Increase monitoring for unusual OBIEE access or administrative activity.

Validation and detection

  • Confirm the exact OBIEE version and component exposure.
  • Check whether Oracle July 2021 CPU remediation is installed.
  • Verify HTTP access is not exposed to untrusted networks.
  • Review logs for unauthenticated or anomalous OBIEE requests.
  • Document any compensating controls and remaining exposure.
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-2021-2456 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
No
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

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-2021-2456Attack 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 CorporationBusiness Intelligence Enterprise Edition12.2.1.4.0Listed
Weakness

CWE details

No CWE listed

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