Security readout for executives and security teams
Plain-English summary
This CVE concerns a SQL injection flaw in a login component of Simple Water Refilling Station Management System 1.0. In business terms, an exposed installation could put account access and backend data at risk. The source bundle does not provide a CVSS score, vendor patch, or evidence of active exploitation.
Executive priority
Treat this as a targeted legacy application risk. Prioritize if the system is public-facing or contains customer, billing, or operational data. Severity cannot be confidently rated from the supplied sources alone.
Technical view
CVE-2021-38840 identifies SQL injection through the username parameter in water_refilling/classes/Login.php. The provided records do not list CWE, CVSS, CPE, or a confirmed patched version. Public Exploit-DB and GitHub references indicate exploit material exists, but the bundle does not show KEV listing or active exploitation.
Likely exposure
Exposure is likely limited to organizations running Simple Water Refilling Station Management System 1.0, especially internet-facing deployments. The source bundle does not provide reliable vendor, CPE, package, or deployment prevalence data.
Exploitation context
The CVE is not marked KEV in the supplied bundle. Public exploit references exist, so defenders should assume the issue is publicly understood, but the provided sources do not prove active in-the-wild exploitation.
Researcher notes
The record is sparse: no CVSS, CWE, CPE, or patch metadata is provided. Analysis should stay anchored to the named file and parameter. Public exploit references warrant validation, but avoid assuming exploit activity without KEV or incident reporting.
Mitigation direction
- Check the project or vendor page for patched releases or maintainer guidance.
- Restrict public access to affected login pages until risk is resolved.
- If maintaining the code, replace unsafe SQL handling with parameterized queries.
- Review accounts and authentication logs for suspicious login activity.
- Retire the application if no maintained fixed version is available.
Validation and detection
- Inventory systems for Simple Water Refilling Station Management System 1.0.
- Confirm whether water_refilling/classes/Login.php is present in deployed code.
- Review username handling for prepared statements or equivalent protections.
- Check whether the application is reachable from the internet.
- Correlate web and authentication logs around suspicious login attempts.
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.
Database 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-2021-38840 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.sourcecodester.com/php/14906/simple-water-refilling-station-management-system-php-free-source-code.htmlCVE reference · x_refsource_MISC
- https://www.sourcecodester.com/users/tips23CVE reference · x_refsource_MISC
- https://www.exploit-db.com/exploits/50205CVE reference · x_refsource_MISC
- https://www.exploit-db.com/exploits/50204CVE reference · x_refsource_MISC
- https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-38840CVE 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.