Security readout for executives and security teams
Plain-English summary
CVE-2020-2852 is a high-severity Oracle E-Business Suite issue in Advanced Outbound Telephony Calendar. An unauthenticated attacker with HTTP access could compromise sensitive data if another user interacts with the attack. The main business risk is unauthorized access to critical Oracle application data and limited unauthorized data modification.
Executive priority
Treat this as high priority for affected Oracle E-Business Suite environments because exploitation requires no attacker authentication and can expose critical business data. Urgency depends on whether the affected component is deployed, HTTP-reachable, and patched.
Technical view
Affected product is Oracle Advanced Outbound Telephony in Oracle E-Business Suite versions 12.1.1 through 12.1.3. CVSS 3.0 score is 8.2 with network attack vector, low complexity, no privileges required, required user interaction, changed scope, high confidentiality impact, low integrity impact, and no availability impact.
Likely exposure
Exposure is limited to organizations running Oracle E-Business Suite Advanced Outbound Telephony versions 12.1.1-12.1.3, especially where HTTP access is broadly reachable. Sources do not identify other affected products or versions, although successful attacks may impact additional products connected through the affected Oracle environment.
Exploitation context
The source states the issue is easily exploitable over HTTP without authentication, but requires interaction by someone other than the attacker. The provided sources do not state active exploitation, public exploit availability, or inclusion in CISA KEV.
Researcher notes
The CVE does not provide a CWE, root-cause detail, exploit description, or named workaround. Research should stay focused on version confirmation, patch state, component reachability, and Oracle advisory mapping rather than assuming broader product impact.
Mitigation direction
- Identify any Oracle E-Business Suite Advanced Outbound Telephony 12.1.1-12.1.3 deployments.
- Review Oracle April 2020 Critical Patch Update guidance for this CVE.
- Apply applicable Oracle-supported updates or mitigations from current vendor guidance.
- Restrict HTTP access to E-Business Suite interfaces where operationally feasible.
- Prioritize environments containing sensitive customer, operational, or regulated data.
Validation and detection
- Confirm deployed Oracle E-Business Suite and Advanced Outbound Telephony versions.
- Verify whether the relevant Oracle Critical Patch Update has been applied.
- Check whether the affected Calendar component is enabled and reachable over HTTP.
- Review application and web logs for unusual access to affected Oracle interfaces.
- Document remaining exposure where patching or access reduction 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-2020-2852 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
- 8.2 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/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:R/S:C/C:H/I:L/A:N2.84.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.2HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/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.