Security readout for executives and security teams
Plain-English summary
Jeecg-Boot 2.4.5 and earlier has an insecure permissions flaw that can let an unauthenticated remote attacker obtain elevated privilege-related information and view sensitive data through a user-check API. The issue is confidentiality-focused and network-exploitable, but the provided sources do not identify a fixed version or active exploitation.
Executive priority
Prioritize discovery and containment for any exposed Jeecg-Boot systems. The main business risk is unauthorized disclosure of sensitive user or privilege information. Urgency is high for internet-facing deployments, but current evidence does not justify claiming known active exploitation.
Technical view
CVE-2021-37306 is a CWE-732 insecure permissions vulnerability in Jeecg-Boot 2.4.5 and earlier. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, scoring 7.5. The reported affected surface is a system user validation API involving the admin username.
Likely exposure
Exposure is most likely where Jeecg-Boot 2.4.5 or earlier is internet-facing or reachable by untrusted networks. The bundled affected product metadata is incomplete, so teams should verify Jeecg-Boot usage through software inventory, code repositories, and deployed service fingerprints.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The vulnerability is remotely reachable without authentication and low complexity, so exposed deployments should be treated as credible targets even without confirmed exploitation.
Researcher notes
The CVE record names Jeecg-Boot 2.4.5 and earlier, but structured affected vendor/product/CPE fields are not populated in the bundle. No official fixed version is provided here. Treat the GitHub issue as the primary technical reference and avoid assuming remediation details not stated there.
Mitigation direction
- Identify all Jeecg-Boot deployments and confirm whether versions are 2.4.5 or earlier.
- Check Jeecg-Boot project guidance for corrected versions or official remediation notes.
- Restrict external access to administrative and system API surfaces while remediation is planned.
- Review API authorization controls for user and administrator lookup functions.
- Increase monitoring for suspicious access to Jeecg-Boot system user APIs.
Validation and detection
- Confirm deployed Jeecg-Boot versions from build artifacts, package metadata, or runtime banners.
- Verify whether affected system user-check APIs are reachable from untrusted networks.
- Review access logs for unusual requests targeting user validation endpoints.
- Confirm administrative API routes enforce authentication and authorization checks.
- Document compensating controls if immediate upgrade guidance is unavailable.
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-732: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2021-37306 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
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/jeecgboot/jeecg-boot/issues/2794CVE reference
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.
Incorrect Permission Assignment for Critical Resource
Incorrect Permission Assignment for Critical Resource represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.