Security readout for executives and security teams
Plain-English summary
CVE-2020-2740 affects Oracle Access Manager, part of Oracle Fusion Middleware. A low-privileged user who can reach the service over HTTP may cause limited unauthorized reading and modification of Oracle Access Manager data, but the attack requires another person to interact with it.
Executive priority
Moderate priority. This affects identity infrastructure, but the cited impact is limited and requires both privileges and user interaction. Remediate through normal vulnerability management unless the system is externally exposed or high-value.
Technical view
Oracle describes this as an Authentication Engine vulnerability in Access Manager 11.1.2.3.0 and 12.2.1.3.0. CVSS 3.0 is 4.6: network-accessible, low complexity, low privileges required, user interaction required, with low confidentiality and integrity impact and no availability impact.
Likely exposure
Exposure is limited to environments running Oracle Access Manager 11.1.2.3.0 or 12.2.1.3.0 where low-privileged users can reach it over HTTP.
Exploitation context
The provided sources do not show active exploitation or CISA KEV listing. Exploitation requires low privileges, network access via HTTP, and human interaction by someone other than the attacker.
Researcher notes
No CWE is listed in the source bundle, and Oracle’s short description does not disclose endpoint-level details. Avoid assuming broader product impact beyond Oracle Access Manager 11.1.2.3.0 and 12.2.1.3.0.
Mitigation direction
- Check Oracle’s April 2020 Critical Patch Update guidance for CVE-2020-2740.
- Prioritize remediation on internet-facing or broadly reachable Oracle Access Manager systems.
- Restrict HTTP access to Oracle Access Manager to trusted networks where feasible.
- Review Oracle Access Manager accounts for unnecessary low-privileged access.
Validation and detection
- Inventory Oracle Access Manager deployments and confirm exact versions.
- Verify whether versions 11.1.2.3.0 or 12.2.1.3.0 are present.
- Confirm Oracle April 2020 CPU guidance has been evaluated or applied.
- Review logs for unusual low-privileged activity against Access Manager.
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
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CVE-2020-2740 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.6 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/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:L/UI:R/S:U/C:L/I:L/A:N2.12.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.6MediumVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/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.