Security readout for executives and security teams
Plain-English summary
CVE-2021-2324 affects Oracle FLEXCUBE Universal Banking, a banking application. A low-privileged attacker with HTTP network access could, after another user interacts, read or change some FLEXCUBE data. The impact is limited to confidentiality and integrity; availability is not affected in the source description.
Executive priority
Treat as a moderate priority banking application issue. It does not indicate system takeover, but unauthorized reads or data changes in FLEXCUBE can still create operational, audit, and customer data risk.
Technical view
The issue is in Oracle FLEXCUBE Universal Banking, Loans And Deposits component, affecting versions 12.0-12.4 and 14.0-14.4. CVSS 3.1 is 4.6: AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N. No CWE is listed in the provided sources.
Likely exposure
Exposure is most relevant to financial institutions running affected Oracle FLEXCUBE Universal Banking versions with HTTP access available to low-privileged users or adjacent internal users.
Exploitation context
The source bundle does not identify active exploitation, and the CVE is not listed as KEV. Successful exploitation requires low privileges, HTTP network access, and human interaction by someone other than the attacker.
Researcher notes
Evidence is limited to the CVE record and Oracle CPU reference. The affected-version statement contains an incomplete trailing fragment in the source description, so avoid expanding affected versions beyond 12.0-12.4 and 14.0-14.4.
Mitigation direction
- Confirm whether affected FLEXCUBE versions are in use.
- Follow Oracle July 2021 CPU guidance for remediation.
- Restrict HTTP access to trusted networks and required users.
- Review low-privileged account access to FLEXCUBE workflows.
- Monitor for unusual read, update, insert, or delete activity.
Validation and detection
- Inventory FLEXCUBE Universal Banking deployments and exact versions.
- Confirm whether the Loans And Deposits component is present.
- Check remediation status against Oracle CPU July 2021 guidance.
- Review application access paths reachable over HTTP.
- Assess logs for suspicious data read or modification patterns.
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-2021-2324 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
- 4.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/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:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N2.12.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.6MediumVector: CVSS:3.1/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/cpujul2021.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.