Security readout for executives and security teams
Plain-English summary
CVE-2021-2276 affects Oracle iSetup in Oracle E-Business Suite. A low-privileged user who can reach the service over HTTP could gain unauthorized read and change access to critical iSetup data. The impact is business-significant because confidentiality and integrity are both rated high.
Executive priority
Treat this as a high-priority Oracle E-Business Suite data-integrity and confidentiality issue. It does not require anonymous access, but low-privileged access may be enough. Prioritize environments handling finance or General Ledger data.
Technical view
The flaw is in Oracle iSetup, component General Ledger Update Transform, Reports. Affected versions are 12.1.3 and 12.2.3 through 12.2.10. CVSS 3.1 is 8.1: network exploitable, low complexity, low privileges, no user interaction, unchanged scope, high confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is most likely in organizations running Oracle E-Business Suite with the affected iSetup versions and HTTP access available to authenticated low-privileged users. The bundle does not show affected CPEs or deployment-specific exposure conditions beyond Oracle iSetup network access.
Exploitation context
The source bundle does not cite CISA KEV listing or public active exploitation. The vulnerability is described as easily exploitable by a low-privileged attacker with network access via HTTP, but no exploit status, proof of concept, or exploitation campaign is provided.
Researcher notes
The bundle provides affected versions, CVSS vector, component, access path, and impact. It does not provide CWE, root cause, exploit details, or a specific patch identifier. Avoid assuming broader Oracle E-Business Suite component impact beyond iSetup.
Mitigation direction
- Check Oracle April 2021 Critical Patch Update guidance for CVE-2021-2276 remediation.
- Prioritize patching affected Oracle E-Business Suite iSetup versions.
- Limit HTTP access to Oracle E-Business Suite administrative surfaces to trusted networks.
- Review low-privileged account access to iSetup and related General Ledger functions.
- Monitor for unauthorized iSetup data creation, deletion, modification, or access.
Validation and detection
- Inventory Oracle E-Business Suite deployments and confirm iSetup version numbers.
- Verify whether versions 12.1.3 or 12.2.3-12.2.10 are present.
- Confirm Oracle CPU remediation status through vendor patch records or system inventory.
- Review application logs for unexpected iSetup data access or modification.
- Validate that unnecessary network paths to iSetup over HTTP are restricted.
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-2021-2276 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.
