Security readout for executives and security teams
Plain-English summary
CVE-2021-2439 affects Oracle Hyperion BI+ UI and Visualization in versions 11.1.2.4 and 11.2.5.0. An unauthenticated attacker with HTTP network access could cause limited unauthorized reading of Hyperion BI+ data, but the attack requires a separate user to interact with something.
Executive priority
Treat this as a moderate-priority confidentiality risk. It is not known to be actively exploited from the supplied evidence, but affected Hyperion BI+ systems may hold sensitive business reporting data and should be patched or access-restricted through normal vulnerability management.
Technical view
The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N, scoring 4.3. The issue is network-reachable over HTTP, requires no attacker privileges, and affects confidentiality only. The source bundle does not provide a CWE, root cause, exploit details, or fixed-version mapping.
Likely exposure
Exposure is most likely where affected Oracle Hyperion BI+ instances are reachable over HTTP by untrusted networks or broad internal user populations. Internet-facing deployments would carry higher concern, but the sources do not state how commonly exposed these systems are.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation requires human interaction from someone other than the attacker, which lowers immediacy but still matters for finance and planning environments containing sensitive BI data.
Researcher notes
Oracle identifies the affected component as UI and Visualization, but the bundle does not include root-cause analysis, CWE classification, exploit proof, or exact fixed builds. Avoid over-scoping beyond Oracle Hyperion BI+ versions 11.1.2.4 and 11.2.5.0.
Mitigation direction
- Review Oracle's July 2021 Critical Patch Update guidance for Hyperion BI+ remediation.
- Inventory Oracle Hyperion BI+ and identify versions 11.1.2.4 and 11.2.5.0.
- Restrict HTTP access to trusted users and networks while remediation is assessed.
- Prioritize remediation for internet-facing or broadly reachable Hyperion BI+ systems.
- Check Oracle support guidance before assuming any fixed version or workaround.
Validation and detection
- Confirm whether Hyperion BI+ is running version 11.1.2.4 or 11.2.5.0.
- Verify whether Oracle July 2021 CPU fixes are applied to affected environments.
- Map HTTP exposure paths, including proxies, VPNs, and internal portals.
- Review access logs for unusual Hyperion BI+ HTTP activity involving user sessions.
- Confirm remediation status with Oracle-supported version and patch records.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-2021-2439 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpujul2021.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
