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CVE Record

CVE-2021-2406: Vulnerability in the Oracle Collaborative Planning product of Oracle E-Business Suite (component: User Inte...

Vulnerability in the Oracle Collaborative Planning product of Oracle E-Business Suite (component: User Interface). Supported versions that are affected are 12.1.1-12.1.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Collaborative Planning. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Collaborative Planning accessible data as well as unauthorized access to critical data or complete access to all Oracle Collaborative Planning accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

HighCVSS 8.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw affects Oracle Collaborative Planning in Oracle E-Business Suite versions 12.1.1 through 12.1.3. A low-privileged user who can reach the application over HTTP may read, create, delete, or modify critical planning data. The business risk is unauthorized data access and integrity loss in an enterprise planning workflow.

Executive priority

Treat as high priority where affected Oracle E-Business Suite planning systems remain in use. The issue can compromise sensitive planning data integrity and confidentiality, but the supplied evidence does not indicate active exploitation.

Technical view

CVE-2021-2406 is a User Interface vulnerability in Oracle Collaborative Planning. It is network exploitable over HTTP with low privileges, no user interaction, and unchanged scope. CVSS 3.1 is 8.1 with high confidentiality and integrity impact and no availability impact. No CWE is provided in the source bundle.

Likely exposure

Exposure is limited to organizations running Oracle E-Business Suite Collaborative Planning versions 12.1.1 through 12.1.3, especially where HTTP access is available to authenticated low-privileged users.

Exploitation context

The source bundle does not show active exploitation, and KEV status is false. The vulnerability is described as easily exploitable, but no public exploit status or attack details are provided in the supplied sources.

Researcher notes

Key missing details include CWE classification, exact vulnerable UI function, and explicit remediation text beyond the Oracle CPU reference. Validate exposure through asset inventory and vendor advisory review, not speculative product assumptions.

Mitigation direction

  • Review Oracle July 2021 Critical Patch Update guidance for this CVE.
  • Prioritize affected Oracle Collaborative Planning 12.1.1-12.1.3 environments.
  • Restrict HTTP access to trusted networks and required users.
  • Reduce low-privileged access until vendor remediation is confirmed.
  • Monitor for unauthorized planning data access or changes.

Validation and detection

  • Inventory Oracle E-Business Suite instances and Collaborative Planning versions.
  • Confirm whether versions 12.1.1 through 12.1.3 are present.
  • Verify HTTP exposure and authenticated user access paths.
  • Check patch records against Oracle July 2021 CPU guidance.
  • Review logs for unusual read, create, delete, or modification activity.
Prepared
Confidence
medium
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

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-2021-2406 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
High
CVSS
8.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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
8.1CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N2.85.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.1High
CVSS 3.1 vector shape for CVE-2021-2406Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 CorporationCollaborative Planning12.1.1-12.1.3Listed
Weakness

CWE details

No CWE listed

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