Security readout for executives and security teams
Plain-English summary
CVE-2021-35653 affects Oracle Essbase Administration Services EAS Console. A low-privileged user with HTTP network access could gain unauthorized access to critical Essbase Administration Services data. The issue is confidentiality-focused, but Oracle notes attacks may significantly impact additional products.
Executive priority
Treat as high priority where Essbase Administration Services is deployed. The business risk is unauthorized access to critical data. Prioritize remediation faster if the EAS Console is reachable from broad internal networks or external paths.
Technical view
Oracle reports an easily exploitable network vulnerability in EAS Console affecting supported versions prior to 11.1.2.4.046 and prior to 21.3. CVSS is 7.7 with network attack vector, low complexity, low privileges, no user interaction, changed scope, and high confidentiality impact.
Likely exposure
Organizations running Oracle Hyperion Essbase Administration Services or Oracle Essbase EAS Console before 11.1.2.4.046 or before 21.3 may be exposed, especially where HTTP access is available beyond tightly controlled admin networks.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Oracle describes the vulnerability as easily exploitable by a low-privileged attacker with HTTP network access.
Researcher notes
No CWE is provided in the source bundle. The available evidence supports confidentiality impact, low-privileged HTTP reachability, and affected version thresholds, but does not provide root-cause detail or public exploit confirmation.
Mitigation direction
- Apply Oracle’s October 2021 Critical Patch Update guidance for this CVE.
- Upgrade affected EAS Console deployments to 11.1.2.4.046, 21.3, or later where applicable.
- Restrict EAS Console HTTP access to trusted administrative networks.
- Review low-privileged account access to Essbase Administration Services.
- Monitor Oracle advisories for product-specific remediation details.
Validation and detection
- Inventory Essbase Administration Services and EAS Console deployments.
- Confirm deployed versions are not prior to 11.1.2.4.046 or 21.3.
- Verify EAS Console HTTP access is not broadly reachable.
- Review EAS Console logs for unexpected low-privileged access patterns.
- Document any compensating controls if immediate patching is delayed.
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-2021-35653 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
- 7.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/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:L/UI:N/S:C/C:H/I:N/A:N3.14Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.7HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpuoct2021.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.
