Security readout for executives and security teams
Plain-English summary
CVE-2020-2857 affects Oracle Advanced Outbound Telephony in Oracle E-Business Suite. An unauthenticated network attacker could trigger the issue over HTTP, but a victim must interact with the attack. Successful exploitation could expose critical data and allow limited data changes.
Executive priority
Treat this as a high-priority Oracle E-Business Suite remediation item if affected versions are present. The main business risk is unauthorized access to sensitive application data, with some data modification risk, through an unauthenticated HTTP attack path requiring user interaction.
Technical view
Oracle reports a high-severity User Interface component vulnerability in Advanced Outbound Telephony versions 12.1.1 through 12.1.3. CVSS 3.0 is 8.2: network attack vector, low complexity, no privileges required, user interaction required, changed scope, high confidentiality impact, low integrity impact, no availability impact.
Likely exposure
Organizations running Oracle E-Business Suite with Advanced Outbound Telephony versions 12.1.1, 12.1.2, or 12.1.3 are potentially exposed, especially where the application is reachable over HTTP by untrusted users.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Oracle describes the issue as easily exploitable over HTTP without authentication, but exploitation requires human interaction from someone other than the attacker.
Researcher notes
No CWE or root-cause detail is included in the provided bundle. Scope is changed, so Oracle notes impact may extend to additional products. Do not broaden affected product claims beyond Oracle Advanced Outbound Telephony without further vendor evidence.
Mitigation direction
- Review Oracle April 2020 Critical Patch Update guidance for CVE-2020-2857.
- Apply the relevant Oracle E-Business Suite security update or current vendor-recommended fix.
- Restrict HTTP access to Oracle E-Business Suite interfaces to trusted networks where possible.
- Confirm unsupported or affected 12.1.x instances have a remediation or upgrade plan.
Validation and detection
- Inventory Oracle E-Business Suite deployments and enabled Advanced Outbound Telephony components.
- Confirm whether versions 12.1.1 through 12.1.3 are present.
- Check patch records against Oracle April 2020 CPU coverage for this CVE.
- Review exposure of relevant HTTP interfaces to internet or untrusted network segments.
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-2020-2857 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.
