Security readout for executives and security teams
Plain-English summary
CVE-2021-37215 lets a normal authenticated FLYGO user overwrite another employee's user data by changing an employee identifier used by the application. The known impact is limited to data integrity, but employee records are sensitive business data and unauthorized changes can affect HR, access, or operational processes.
Executive priority
Treat this as a moderate-priority integrity issue for any active FLYGO deployment. It is not currently evidenced as exploited in the supplied sources, but unauthorized employee data modification can create business process and trust problems.
Technical view
The reported flaw is an IDOR in Larvata Digital Technology FLYGO's employee management page. A general user can specify another employee's ID in an API parameter and overwrite that employee's user data. CVSS 3.1 is 4.3, with network access, low complexity, low privileges, no user interaction, and low integrity impact.
Likely exposure
Exposure is limited to organizations using Larvata Digital Technology Co. Ltd. FLYGO. The source bundle does not identify affected versions, deployment patterns, or CPEs, so asset confirmation requires local inventory and vendor guidance.
Exploitation context
No cited source reports active exploitation, and the CVE is not listed as KEV in the supplied bundle. Abuse requires a valid general-user account and access to the vulnerable employee management API. Public technical detail is sparse.
Researcher notes
The affected version is unspecified, and the only described behavior is authenticated IDOR leading to overwrite of another employee's user data. Do not assume confidentiality or availability impact beyond the CVSS data provided. Vendor confirmation is needed for patch status.
Mitigation direction
- Check Larvata or TWCERT guidance for fixed versions or supported remediation.
- Restrict FLYGO employee management access to trusted networks and necessary roles.
- Review authorization checks around employee record updates before accepting user-supplied identifiers.
- Monitor employee profile changes for unexpected cross-user modifications.
Validation and detection
- Confirm whether FLYGO is deployed and whether employee management is enabled.
- Identify installed FLYGO version and compare it with vendor or TWCERT guidance.
- Verify general users cannot modify employee records outside their authorized scope.
- Review audit logs for unusual employee record updates by low-privileged accounts.
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.
CWE-706: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-37215 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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:N/S:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.twcert.org.tw/tw/cp-132-4992-dac66-1.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.
Use of Incorrectly-Resolved Name or Reference
Use of Incorrectly-Resolved Name or Reference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.