Security readout for executives and security teams
Plain-English summary
This is a high-severity Oracle Essbase Analytic Provider Services issue. An unauthenticated attacker with HTTP network access could compromise APS if another person is induced to interact. The main business risk is unauthorized reading, creation, deletion, or modification of critical Essbase-accessible data.
Executive priority
Treat as a prioritized remediation item for any remaining Essbase APS 11.1.2.4 environment. The risk centers on data confidentiality and integrity, not service outage, and the exploit path requires user interaction.
Technical view
CVE-2021-2435 affects Oracle Hyperion Analytic Provider Services / Essbase APS 11.1.2.4, component JAPI. CVSS 3.1 is 8.1: network, low complexity, no privileges, user interaction required, high confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is likely limited to organizations still running Oracle Essbase Analytic Provider Services 11.1.2.4, especially where APS is reachable over HTTP from user networks or broader network paths.
Exploitation context
The source states the issue is easily exploitable over HTTP by an unauthenticated attacker, but successful exploitation requires human interaction. The provided bundle does not show CISA KEV listing or public active exploitation evidence.
Researcher notes
The bundle provides no CWE, no exploit details, and no fixed-version specifics beyond the Oracle CPU reference. Avoid assuming broader Essbase versions or products are affected without vendor confirmation.
Mitigation direction
- Inventory Oracle Essbase APS deployments and confirm whether version 11.1.2.4 is present.
- Review Oracle July 2021 Critical Patch Update guidance for applicable Essbase APS remediation.
- Apply vendor-supported fixes through normal change control after compatibility testing.
- Limit APS HTTP exposure to trusted network paths where operationally feasible.
- Monitor Essbase APS-accessible data for unauthorized reads, changes, deletions, or creations.
Validation and detection
- Confirm installed Essbase APS version and component inventory against Oracle guidance.
- Check whether APS HTTP endpoints are reachable from untrusted or user-accessible networks.
- Review access logs around APS for unusual unauthenticated HTTP activity.
- Validate that remediation status is documented for every identified APS instance.
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-2021-2435 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
- High
- CVSS
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:H/I:H/A:N2.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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.
