Security readout for executives and security teams
Plain-English summary
CVE-2021-2251 is a high-severity Oracle E-Business Suite issue in CRM Technical Foundation. A low-privileged user with HTTP network access could read, create, delete, or modify critical CRM Technical Foundation data. The main business risk is unauthorized access or manipulation of business data in affected Oracle EBS deployments.
Executive priority
Treat as a high-priority patching and exposure-reduction item for affected Oracle EBS environments, especially where many users or third parties have authenticated access.
Technical view
Oracle describes an easily exploitable Data Source vulnerability in Oracle CRM Technical Foundation, part of Oracle E-Business Suite. Affected supported versions are 12.1.3 and 12.2.3 through 12.2.10. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N, indicating network access, low privileges, no user interaction, and high confidentiality and integrity impact.
Likely exposure
Exposure is limited to organizations running Oracle E-Business Suite with CRM Technical Foundation versions 12.1.3 or 12.2.3-12.2.10 reachable over HTTP by authenticated low-privileged users.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Oracle says the flaw is easily exploitable by a low-privileged attacker over HTTP, which makes internal or partner-accessible EBS environments important to review.
Researcher notes
No CWE is supplied in the bundle. The strongest source-grounded facts are Oracle's affected version range, HTTP attack vector, low privilege requirement, and high confidentiality and integrity impact. Avoid claiming unauthenticated access or public exploitation from these sources.
Mitigation direction
- Review Oracle's April 2021 Critical Patch Update guidance for CVE-2021-2251.
- Apply the relevant Oracle E-Business Suite security patch or superseding CPU.
- Confirm patch prerequisites and supported upgrade paths with Oracle guidance.
- Restrict HTTP access to affected EBS functions where business operations allow.
- Review low-privileged EBS accounts for unnecessary access.
Validation and detection
- Inventory Oracle E-Business Suite instances using CRM Technical Foundation.
- Confirm whether versions match 12.1.3 or 12.2.3-12.2.10.
- Check patch records against Oracle April 2021 CPU or later superseding CPUs.
- Validate whether low-privileged users can reach affected services over HTTP.
- Review logs for unusual CRM data reads, creations, deletions, or modifications.
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-2021-2251 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.
