Security readout for executives and security teams
Plain-English summary
This flaw could let a remote user make the affected Cellinx NVT Web Server run operating-system commands as root. That is a severe business risk if the service is reachable, because root-level command execution can lead to full device takeover.
Executive priority
Treat confirmed exposed instances as urgent. The potential impact is full device compromise, but evidence is incomplete on affected versions, patch availability, and real-world exploitation.
Technical view
CVE-2020-28250 describes command execution as root in Cellinx NVT Web Server 5.0.0.014b.test 2019-09-05 through SetFileContent.cgi. The stated root cause is client-side authentication, meaning the server may not enforce access control adequately.
Likely exposure
Exposure is likely limited to environments running the named Cellinx NVT Web Server build, especially if reachable from untrusted networks. The source bundle does not provide CPEs, vendor metadata, or broader version ranges.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no source states active exploitation. A public GitHub reference exists, so defenders should assume technical details may be available.
Researcher notes
The public record names SetFileContent.cgi and client-side authentication as the weakness. The bundle lacks CVSS, CWE, CPE, vendor advisory, and remediation details, so avoid broad product claims beyond the named build.
Mitigation direction
- Identify any Cellinx NVT Web Server instances and confirm exact build information.
- Remove internet exposure and restrict access to trusted management networks only.
- Check vendor or maintainer guidance for a supported fixed version or replacement path.
- Disable or tightly control affected CGI functionality if vendor guidance supports it.
- Increase monitoring for unexpected administrative changes or process execution.
Validation and detection
- Inventory web services that identify as Cellinx NVT Web Server.
- Confirm whether version 5.0.0.014b.test 2019-09-05 is present.
- Review whether authentication is enforced server-side for management actions.
- Check network paths for untrusted access to the service.
- Review logs for suspicious CGI access and unexpected root-level activity.
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.
CVE-2020-28250 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
- 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://github.com/summtime/CVE/tree/master/CVE-2020-28250CVE 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.