Security readout for executives and security teams
Plain-English summary
CVE-2021-2247 is a high-severity Oracle E-Business Suite issue in Advanced Collections. A low-privileged user with HTTP access could read or change critical Advanced Collections data. For organizations using affected Oracle EBS versions, the main business concern is unauthorized financial collections data exposure or manipulation.
Executive priority
Treat as a priority for Oracle EBS environments handling collections or customer financial workflows. The vulnerability can affect critical data confidentiality and integrity, but sources do not indicate active exploitation.
Technical view
The issue affects Oracle Advanced Collections, Admin component, in EBS versions 12.1.1-12.1.3 and 12.2.3-12.2.10. CVSS 3.1 score is 8.1 with AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N, indicating network exploitability after low-privileged authentication, with high confidentiality and integrity impact and no stated availability impact.
Likely exposure
Exposure is most likely where Oracle E-Business Suite runs affected Advanced Collections versions and HTTP access is available to low-privileged authenticated users. Internet exposure is not stated in the sources, so validate actual routing and access controls.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVE states the vulnerability is easily exploitable over HTTP by a low-privileged attacker without user interaction.
Researcher notes
No CWE is listed in the provided data, and no exploit details should be inferred. Analysis should focus on authenticated HTTP reachability, affected version confirmation, module enablement, and Oracle CPU remediation status.
Mitigation direction
- Apply Oracle April 2021 CPU guidance for affected E-Business Suite deployments.
- Check for newer Oracle guidance before remediation in long-lived environments.
- Restrict HTTP access to EBS administrative and Advanced Collections functions.
- Review and reduce low-privileged accounts with access to Advanced Collections.
- Monitor for unusual reads, creations, deletions, or modifications in collections data.
Validation and detection
- Inventory Oracle E-Business Suite instances and enabled Advanced Collections components.
- Confirm whether versions match 12.1.1-12.1.3 or 12.2.3-12.2.10.
- Verify April 2021 CPU or later relevant Oracle patches are applied.
- Review network paths exposing EBS HTTP services to user populations.
- Audit Advanced Collections permissions for low-privileged users.
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-2021-2247 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:L/UI:N/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:L/UI:N/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:L/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpuapr2021.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.