LiveActive security incident?Get immediate response
CVE Record

CVE-2021-2231: Vulnerability in the Oracle Installed Base product of Oracle E-Business Suite (component: APIs).

Vulnerability in the Oracle Installed Base product of Oracle E-Business Suite (component: APIs). The supported version that is affected is 12.1.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Installed Base. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Installed Base accessible data as well as unauthorized access to critical data or complete access to all Oracle Installed Base 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
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Oracle E-Business Suite Installed Base 12.1.3 has an API vulnerability that can let a low-privileged network attacker alter or read critical Installed Base data over HTTP. The business risk is data integrity and confidentiality loss, not service outage.

Executive priority

Treat this as high priority where Oracle E-Business Suite Installed Base 12.1.3 is in use. The issue can affect critical business data accuracy and confidentiality, so prioritize patch verification and access reduction.

Technical view

CVE-2021-2231 affects Oracle Installed Base in Oracle E-Business Suite, component APIs, version 12.1.3. CVSS 3.1 is 8.1: network exploitable, low complexity, low privileges, no user interaction, unchanged scope, high confidentiality and integrity impact, no availability impact.

Likely exposure

Organizations running Oracle E-Business Suite 12.1.3 with the Installed Base module and HTTP-accessible APIs are the likely exposure set. The source bundle does not identify other versions, CPEs, or deployment-specific prerequisites beyond low privileges and network access via HTTP.

Exploitation context

The supplied sources do not show CISA KEV listing or active exploitation. Oracle describes it as easily exploitable by a low-privileged attacker with network access via HTTP, but no public exploit status is provided in the bundle.

Researcher notes

Evidence is limited to the CVE record and Oracle CPU reference. No CWE, CPE, exploit details, or patch identifier is included in the provided bundle. Avoid assuming impact outside Oracle Installed Base 12.1.3.

Mitigation direction

  • Review Oracle April 2021 Critical Patch Update guidance for Oracle E-Business Suite.
  • Apply the relevant Oracle E-Business Suite Installed Base security patches if applicable.
  • Restrict HTTP access to E-Business Suite APIs to trusted networks and users.
  • Review low-privileged accounts with Installed Base access and remove unnecessary permissions.

Validation and detection

  • Inventory Oracle E-Business Suite instances and confirm whether Installed Base 12.1.3 is present.
  • Check patch records against Oracle April 2021 CPU guidance.
  • Review API exposure paths for HTTP access from untrusted networks.
  • Audit Installed Base data changes and access by low-privileged accounts.
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

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

cve · low confidence lookup

CVE-2021-2231 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
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-2021-2231Attack 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 CorporationInstalled Base12.1.3Listed
Weakness

CWE details

No CWE listed

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