Security readout for executives and security teams
Plain-English summary
This CVE describes a Night Owl Smart Doorbell push-notification weakness where attackers could trigger fake motion or doorbell alerts in a user’s mobile app. The business risk is alert flooding, user confusion, and reduced trust in physical-security notifications, rather than direct evidence of device takeover.
Executive priority
Treat this as a moderate physical-security reliability issue. Prioritize sites where doorbell alerts influence safety, access decisions, or incident response, especially if affected firmware is confirmed and no vendor fix is available.
Technical view
The CVE states that firmware version 20190505 has incorrect access control in a push notification service. Requests to an exposed PNS server are not authenticated and are sent over insecure web requests, allowing passive recording, replay, or crafted false notification events.
Likely exposure
Exposure appears limited to environments using the described Night Owl Smart Doorbell firmware version 20190505. The CVE’s structured affected-product data is incomplete, so asset validation is necessary before scoping risk.
Exploitation context
The source bundle does not show KEV listing or confirmed in-the-wild exploitation. It does describe remotely triggerable false events and passive recording of notification traffic, but provides no CVSS, CWE, vendor advisory, or confirmed patch information.
Researcher notes
Evidence is narrow but specific: unauthenticated PNS requests and insecure web notification transport are the core issues. The bundle lacks CVSS, CWE mapping, affected CPEs, and remediation details, so avoid broad product claims beyond the named firmware description.
Mitigation direction
- Inventory Night Owl Smart Doorbells and firmware versions.
- Check Night Owl guidance for fixed firmware or replacement options.
- Do not rely on mobile push alerts as sole security evidence.
- Limit deployment in sensitive locations until remediation is confirmed.
- Review network exposure for unnecessary device or service reachability.
Validation and detection
- Confirm whether any deployed device runs firmware version 20190505.
- Verify whether vendor support lists a newer remediated firmware.
- Review monitoring for repeated or suspicious doorbell and motion alerts.
- Document whether notification traffic is protected and authenticated.
- Confirm compensating physical-security controls cover alert spoofing risk.
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-2020-28713 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://gist.github.com/tj-oconnor/dbfbef4d3b271d53fefbd24e1f0024f0CVE reference · x_refsource_MISC
- https://cloud.binary.ninja/embed/26671c64-6859-48fb-b58e-af35dc982b35CVE 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.