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CVE-2021-39379: A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application d...

A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database. A malicious attacker can issue SQL commands to the MySQL (MariaDB) database through the ResetUserInfo.php password_stn_id parameter.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-39379 is a SQL injection issue in openSIS 8.0 when MySQL or MariaDB is used. An attacker may be able to send database commands through a password-related parameter. The sources do not provide a CVSS score, fixed version, or active exploitation evidence.

Executive priority

Treat this as high priority if openSIS 8.0 is internet-facing or stores sensitive student or staff data. The absence of CVSS and patch details increases uncertainty, so prioritize inventory, exposure reduction, and vendor-guidance review.

Technical view

The CVE describes SQL injection in openSIS 8.0 via ResetUserInfo.php and the password_stn_id parameter when the application database is MySQL or MariaDB. The available bundle does not define affected CPEs, authentication requirements, impact scope, or a vendor-confirmed remediation path.

Likely exposure

Exposure is most likely limited to organizations running openSIS 8.0 with MySQL or MariaDB, especially if ResetUserInfo.php is reachable. The provided sources do not confirm other versions, hosted editions, or non-MySQL database configurations as affected.

Exploitation context

CISA KEV status is false, and the provided sources do not state active exploitation. A public GitHub reference exists for the CVE, but this bundle does not provide enough evidence to characterize real-world exploitation or exploit maturity.

Researcher notes

The strongest source evidence is the CVE description itself: SQL commands can be issued through password_stn_id in ResetUserInfo.php under MySQL/MariaDB. Missing details include authentication state, fixed commit, affected CPEs, and confirmed impact boundaries.

Mitigation direction

  • Inventory openSIS deployments and confirm version 8.0 usage.
  • Confirm whether MySQL or MariaDB backs the application.
  • Check openSIS or project guidance for a supported fix or upgrade path.
  • Restrict access to ResetUserInfo.php where operationally feasible.
  • Review database user privileges and reduce unnecessary permissions.
  • Monitor application and database logs for unusual password reset activity.

Validation and detection

  • Verify openSIS version from application and deployment records.
  • Confirm database engine is MySQL or MariaDB.
  • Check whether ResetUserInfo.php is accessible from untrusted networks.
  • Review logs for suspicious password_stn_id activity.
  • Confirm remediation status against vendor or project guidance.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

description · low confidence lookup

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 lookup
cve · low confidence lookup

CVE-2021-39379 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.