Security readout for executives and security teams
Plain-English summary
CVE-2021-2053 affects Oracle Enterprise Manager Base Platform 13.4.0.0. An unauthenticated network attacker could exploit the UI Framework over HTTP, but a separate user must interact with the attack. Successful exploitation could allow limited unauthorized reading and modification of Enterprise Manager-accessible data.
Executive priority
Treat as a scheduled remediation item for exposed Oracle Enterprise Manager environments. Escalate priority if the management UI is internet-accessible or broadly reachable internally, because compromise could affect data across connected management functions.
Technical view
The CVSS 3.1 score is 6.1: network attack vector, low complexity, no privileges required, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact. Oracle lists the affected component as Enterprise Manager Base Platform UI Framework version 13.4.0.0.
Likely exposure
Exposure is most relevant where Oracle Enterprise Manager 13.4.0.0 UI services are reachable over HTTP by untrusted networks or users. Human interaction is required, reducing immediacy but not eliminating risk.
Exploitation context
The provided bundle does not show CISA KEV listing or active exploitation evidence. The attack is described as easily exploitable over HTTP without authentication, but requiring interaction from someone other than the attacker.
Researcher notes
The sources do not identify a CWE, proof-of-concept status, or exploit campaign. Validation should focus on version, patch state, UI exposure, and evidence of unauthorized data access rather than attempting exploitation.
Mitigation direction
- Identify Oracle Enterprise Manager Base Platform 13.4.0.0 deployments.
- Review Oracle April 2021 Critical Patch Update guidance for CVE-2021-2053.
- Apply Oracle-provided fixes or supported upgrade guidance where applicable.
- Restrict Enterprise Manager UI exposure to trusted administrative networks while remediation is planned.
Validation and detection
- Confirm deployed Oracle Enterprise Manager Base Platform versions.
- Verify Oracle April 2021 CPU or later relevant fixes are applied.
- Review whether the Enterprise Manager UI is reachable over HTTP from untrusted networks.
- Check recent audit logs for unexpected data reads 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-2021-2053 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpuapr2021.htmlCVE reference · x_refsource_MISC
- https://blog.stmcyber.com/vulns/cve-2021-2053/CVE 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.
