Security readout for executives and security teams
Plain-English summary
SEMCMS v1.2 has a critical SQL injection flaw in SEMCMS_User.php. If that component is exposed, an unauthenticated attacker may be able to interfere with the site database, risking data theft, data changes, or service disruption.
Executive priority
Treat as urgent for any exposed SEMCMS v1.2 site because compromise could affect confidentiality, integrity, and availability. Priority drops if SEMCMS is not present or the affected path is not reachable.
Technical view
CVE-2021-38217 is a CWE-89 SQL injection in SEMCMS_User.php. The CVSS 3.1 score is 9.8 with network access, low complexity, no privileges, and no user interaction required. The provided sources do not name a fixed version.
Likely exposure
Exposure is most likely where SEMCMS v1.2 is internet-accessible. The CVE record names SEMCMS v1.2, but vendor, product, CPE, and version metadata are incomplete, so inventory confirmation is necessary.
Exploitation context
The issue has a public GitHub reference, but the provided sources do not show CISA KEV listing or confirmed active exploitation. Treat it as high urgency because the CVSS vector indicates unauthenticated remote exploitability.
Researcher notes
The public metadata is sparse: affected fields are not normalized and no official fix is identified in the supplied sources. Validate product lineage and version locally before asserting exposure or closure.
Mitigation direction
- Identify any SEMCMS v1.2 deployments and prioritize them for review.
- Check the SEMCMS project or vendor guidance for a fixed release or official workaround.
- Restrict external access to affected SEMCMS_User.php functionality where business allows.
- Use database least privilege for the web application account.
- Increase monitoring for SQL errors, suspicious user requests, and database anomalies.
Validation and detection
- Confirm whether SEMCMS v1.2 exists in production, staging, or legacy hosting.
- Verify whether SEMCMS_User.php is reachable from untrusted networks.
- Review application code or vendor release notes for parameterized SQL handling.
- Check web and database logs for unusual requests around user-management paths.
- Document current version, exposure path, compensating controls, and remediation owner.
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-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-38217 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/BigTiger2020/SEMCMS/blob/main/semcms-1.2-sql-2.mdCVE 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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.