Security readout for executives and security teams
Plain-English summary
CVE-2020-2838 is a high-severity Oracle E-Business Suite issue in CRM Gateway for Mobile Devices. An unauthenticated attacker with HTTP network access could gain unauthorized access to critical data. The source notes attacks may also significantly impact additional products, so exposed deployments deserve prompt attention.
Executive priority
Prioritize remediation for any exposed or business-critical Oracle E-Business Suite environment using the affected CRM Gateway component. The main business risk is unauthorized critical data access, not service outage, based on the cited CVSS impacts.
Technical view
The flaw affects Oracle CRM Gateway for Mobile Devices versions 12.1.1 through 12.1.3, component Setup of Mobile Applications. CVSS 3.0 is 8.6: network reachable, low complexity, no privileges, no user interaction, changed scope, high confidentiality impact, no integrity or availability impact stated.
Likely exposure
Exposure is most likely where Oracle E-Business Suite includes CRM Gateway for Mobile Devices 12.1.1-12.1.3 and the relevant HTTP interface is reachable by untrusted networks. The sources do not state whether default installations are exposed.
Exploitation context
The CVE description says exploitation is easy and unauthenticated over HTTP. The provided KEV flag is false, and no cited source in the bundle confirms active exploitation. Treat internet-facing systems as higher risk because confidentiality impact is high.
Researcher notes
The public record gives product, version range, component, attack prerequisites, and CVSS vector, but not root cause details, indicators of compromise, or exploit status. Avoid assuming active exploitation or affected adjacent products beyond Oracle’s stated potential significant impact.
Mitigation direction
- Review Oracle April 2020 Critical Patch Update guidance for this CVE.
- Apply the relevant Oracle E-Business Suite or CRM Gateway fixes from Oracle guidance.
- Restrict HTTP access to trusted networks until remediation is verified.
- Disable or limit unused CRM Gateway for Mobile Devices functionality where operationally feasible.
- Monitor affected systems for unusual unauthenticated access patterns.
Validation and detection
- Inventory Oracle E-Business Suite instances and CRM Gateway for Mobile Devices usage.
- Confirm whether versions 12.1.1, 12.1.2, or 12.1.3 are present.
- Check whether the affected HTTP-accessible component is reachable from untrusted networks.
- Verify Oracle April 2020 CPU remediation or later applicable fixes are installed.
- Review logs for suspicious access to mobile application setup functionality.
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-2020-2838 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
- 8.6 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N3.94Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.6HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpuapr2020.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.