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CVE Record

CVE-2021-2392: Vulnerability in the Oracle BI Publisher product of Oracle Fusion Middleware (component: BI Publisher Secur...

Vulnerability in the Oracle BI Publisher product of Oracle Fusion Middleware (component: BI Publisher Security). Supported versions that are affected are 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle BI Publisher. Successful attacks of this vulnerability can result in takeover of Oracle BI Publisher. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

HighCVSS 8.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-2392 lets a low-privileged attacker with HTTP network access compromise Oracle BI Publisher. Oracle rates the impact as full confidentiality, integrity, and availability loss, meaning a successful attack could amount to takeover of the BI Publisher environment.

Executive priority

Treat as a high-priority enterprise application risk if Oracle BI Publisher is deployed. Takeover impact is broad, but the source bundle does not prove active exploitation.

Technical view

The issue affects Oracle BI Publisher Security in versions 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0. CVSS 3.1 is 8.8: network exploitable, low complexity, low privileges required, no user interaction, high C/I/A impact.

Likely exposure

Exposure is most likely where affected Oracle BI Publisher versions are reachable over HTTP by authenticated low-privileged users, including internal users, partner networks, or externally exposed deployments.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation evidence. Oracle describes the vulnerability as easily exploitable via HTTP by a low-privileged attacker.

Researcher notes

The public bundle does not identify a CWE, root cause, exploit details, or exact fixed versions. Analysis should stay anchored to Oracle’s advisory and local asset validation.

Mitigation direction

  • Inventory Oracle BI Publisher deployments and record exact versions.
  • Prioritize affected versions listed by Oracle for remediation review.
  • Check Oracle July 2021 CPU guidance for the applicable patch path.
  • Restrict HTTP access to BI Publisher to trusted networks where possible.
  • Review low-privileged accounts with BI Publisher access.

Validation and detection

  • Confirm whether any instance runs an affected version.
  • Verify BI Publisher HTTP endpoints are not unnecessarily internet exposed.
  • Check patch records against Oracle July 2021 CPU guidance.
  • Review access logs for unusual low-privileged BI Publisher activity.
  • Confirm remediation in a test environment before production rollout.
Prepared
Confidence
high
Sources
3

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-2021-2392 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (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: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
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2021-2392Attack 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: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 CorporationBI Publisher (formerly XML Publisher)5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0, 12.2.1.4.0Listed
Weakness

CWE details

No CWE listed

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