Security readout for executives and security teams
Plain-English summary
This flaw lets an unauthenticated remote user gain another general user’s privileges in Carinal Tien Hospital’s Health Report System. The reported impact is limited but real: unauthorized access, data modification, and partial service unavailability for users.
Executive priority
Prioritize remediation if this system is deployed or exposed. The business risk is unauthorized access and modification of health report data, with possible disruption to affected users. Evidence does not support calling this actively exploited.
Technical view
CVE-2021-44160 is an improper authentication and authorization issue on the Health Report System login page. The source describes privilege acquisition by changing a cookie parameter. It maps to CWE-639 and has CVSS 3.1 score 7.3, reflecting network reachability, low complexity, and no required credentials.
Likely exposure
Exposure appears limited to Carinal Tien Hospital Health Report System deployments. The source bundle lists affected version “0” and provides no CPEs, deployment footprint, or third-party product evidence, so broader exposure cannot be confirmed.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. The vulnerability is still concerning because the CVSS vector indicates remote, unauthenticated exploitation with low attack complexity and no user interaction.
Researcher notes
The public evidence is sparse. Key details missing from the bundle include fixed versions, exploit prevalence, exact affected builds, and vendor remediation. Validate in an authorized test environment and avoid assuming exposure beyond the named Health Report System.
Mitigation direction
- Check Carinal Tien Hospital or TWCERT guidance for any vendor-provided fix.
- Restrict public access to the Health Report System where operationally feasible.
- Enforce server-side authorization independent of client-controlled cookie values.
- Review session handling and invalidate potentially exposed sessions.
- Monitor for abnormal account access, unauthorized changes, or availability issues.
Validation and detection
- Confirm whether the Health Report System is deployed or externally reachable.
- Review authentication and authorization logic around session and cookie-derived identity.
- Verify users cannot access another user’s records through client-controlled identifiers.
- Check logs for unexpected account switching or unauthorized data modification.
- Confirm compensating controls exist if no vendor patch is available.
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-639: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-44160 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
- 7.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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:L/I:L/A:L3.93.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.3HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.twcert.org.tw/tw/cp-132-5429-4185b-1.htmlCVE 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.
Authorization Bypass Through User-Controlled Key
Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.