Security readout for executives and security teams
Plain-English summary
CVE-2021-47758 is a high-severity issue in Chikitsa Patient Management System 2.0.2. A logged-in attacker can abuse the module upload feature to place malicious PHP code on the server, potentially taking control of application data and operations. Public exploit information exists, but the provided sources do not show active exploitation.
Executive priority
Prioritize remediation for any internet-facing or production Chikitsa 2.0.2 deployment. The issue can lead to full compromise of patient management data and server availability after account access. Treat it as urgent, especially where account controls are weak.
Technical view
The vulnerability is CWE-434 unrestricted upload of dangerous file type. In Chikitsa Patient Management System 2.0.2, authenticated users can upload a ZIP plugin containing PHP code through module upload functionality, enabling remote code execution on the server. CVSS 3.1 is 8.8: network exploitable, low complexity, low privileges required, no user interaction.
Likely exposure
Exposure is likely limited to organizations running Chikitsa Patient Management System version 2.0.2 where authenticated users can access module upload functionality. Internet-accessible deployments or environments with many low-privileged application accounts have higher risk. The sources do not identify other affected versions.
Exploitation context
ExploitDB lists a public exploit for this vulnerability, so defenders should assume attacker knowledge is available. However, the source bundle marks KEV as false and provides no cited evidence of active exploitation in the wild.
Researcher notes
The provided record names Chikitsa Patient Management System 2.0.2 only. Patch status is not stated in the sources. Avoid broad version claims. Public exploit availability increases validation priority, but active exploitation is not supported by KEV or the supplied references.
Mitigation direction
- Check Chikitsa vendor or project guidance for patched versions or official remediation.
- Restrict module upload access to highly trusted administrators only.
- Limit application access to trusted networks where operationally possible.
- Review and remove unexpected uploaded plugins or PHP files.
- Back up data before applying updates or configuration changes.
Validation and detection
- Inventory Chikitsa deployments and confirm whether version 2.0.2 is present.
- Identify accounts with access to module upload functionality.
- Review web server and application logs for suspicious plugin upload activity.
- Inspect installed modules for unapproved or recently added PHP content.
- Confirm whether vendor guidance or an updated release has been applied.
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-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-47758 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
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-50571CVE reference · exploit
- Product WebpageCVE reference · product
- Product GitHub RepositoryCVE reference · product
- Product Sourceforge PageCVE reference · product
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.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.