Security readout for executives and security teams
Plain-English summary
ZOLL Defibrillator Dashboard versions before 2.2 have insecure filesystem permissions. A lower-privileged local user could potentially gain administrative-level privileges on the affected system. This is mainly a concern where the dashboard is installed on shared or weakly controlled hosts.
Executive priority
Treat as a targeted remediation item for affected dashboard hosts. It does not indicate internet-scale exploitation, but privilege escalation on medical-support systems can increase operational and compliance risk.
Technical view
CVE-2021-27483 is a CWE-269 privilege-management issue in ZOLL Defibrillator Dashboard before 2.2. The source description attributes the weakness to insecure filesystem permissions, enabling local privilege escalation from a lower-privileged user to an administrative-level user. No CVSS score is provided in the bundle.
Likely exposure
Exposure is limited to environments running ZOLL Defibrillator Dashboard versions prior to 2.2. Risk is higher where non-administrative users can access the host operating system or where endpoint access controls are weak.
Exploitation context
The provided sources do not state active exploitation, and the CVE is not listed as CISA KEV in the source bundle. Evidence supports a local privilege-escalation scenario, not remote unauthenticated compromise.
Researcher notes
The public bundle is sparse: no CVSS vector, exploit details, or detailed remediation text is included. Analysis should stay bounded to local privilege escalation through insecure filesystem permissions in versions before 2.2.
Mitigation direction
- Upgrade ZOLL Defibrillator Dashboard to version 2.2 or later per vendor guidance.
- Restrict local access to systems running the dashboard.
- Review filesystem permissions on dashboard installation paths.
- Monitor for unexpected administrative account or permission changes.
- Consult the CISA ICS medical advisory before operational changes.
Validation and detection
- Inventory all ZOLL Defibrillator Dashboard installations and versions.
- Confirm no installation is running a version prior to 2.2.
- Review local user access on affected hosts.
- Check installation directories for overly permissive filesystem permissions.
- Document remediation status for clinical or operational owners.
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-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupCVE-2021-27483 mapping review
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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://us-cert.cisa.gov/ics/advisories/icsma-21-161-01CVE 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.
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.