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CVE Record

CVE-2021-37381: Southsoft GMIS 5.0 is vulnerable to CSRF attacks.

Southsoft GMIS 5.0 is vulnerable to CSRF attacks. Attackers can access other users' private information such as photos through CSRF. For example: any student's photo information can be accessed through /gmis/(S([1]))/student/grgl/PotoImageShow/?bh=[2]. Among them, the code in [1] is a random string generated according to the user's login related information. It can protect the user's identity, but it can not effectively prevent unauthorized access. The code in [2] is the student number of any student. The attacker can carry out CSRF attack on the system by modifying [2] without modifying [1].

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Southsoft GMIS 5.0 is reported to let an attacker access students' private photo information through a CSRF-related weakness. The public record does not provide a CVSS score, vendor patch, or evidence of active exploitation. The main business risk is unauthorized exposure of student personal data where GMIS is deployed.

Executive priority

Prioritize inventory and vendor follow-up if GMIS 5.0 supports student records or photos. The urgency is privacy-driven rather than confirmed mass exploitation, because patch status and active exploitation evidence are missing.

Technical view

The CVE describes a GMIS 5.0 student photo retrieval flow where a login-derived random path value does not prevent access when the student identifier is changed. This suggests missing object-level authorization on photo access, framed as CSRF in the source. Affected version detail is limited to Southsoft GMIS 5.0.

Likely exposure

Exposure is most likely for schools or organizations operating Southsoft GMIS 5.0, especially if authenticated users can be induced into requests or if the affected photo retrieval endpoint is reachable from untrusted networks.

Exploitation context

The source bundle includes public GitHub references describing the issue, but no CISA KEV listing, no confirmed active exploitation, and no vendor advisory or patch details. Treat exploit maturity and real-world prevalence as unconfirmed.

Researcher notes

The CVE record has sparse metadata: no CVSS, CWE, CPE, or official affected product structure. The description points to authorization weakness despite labeling it CSRF. Validate the access-control boundary carefully and avoid assuming broader GMIS impact beyond student photo exposure.

Mitigation direction

  • Check Southsoft guidance for a GMIS 5.0 patch, upgrade, or configuration fix.
  • Restrict GMIS access to trusted networks while vendor remediation is unclear.
  • Enforce server-side authorization for every student photo request.
  • Add CSRF protections for state-changing and sensitive authenticated workflows.
  • Review access logs for unusual student photo retrieval patterns.

Validation and detection

  • Confirm whether Southsoft GMIS 5.0 is deployed in the environment.
  • Identify whether student photo endpoints are reachable by normal authenticated users.
  • Verify that users can access only student photos they are authorized to view.
  • Review web logs for repeated photo access across many student identifiers.
  • Document findings without reproducing public proof-of-concept details.
Prepared
Confidence
medium
Sources
4

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

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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
3Source 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.