Security readout for executives and security teams
Plain-English summary
CVE-2018-11400 describes a physical tamper-detection weakness in SimpliSafe Original. If someone with nearby physical access removes both battery and external power from the Base Station, the system may not send a notification. The main business risk is silent loss of alarm service at a protected site.
Executive priority
Treat this as a site-security reliability risk, not a broad cyber emergency. Prioritize locations where silent alarm loss would materially affect safety, asset protection, or insurance requirements, especially if devices are exposed or unsupported.
Technical view
The reported flaw is in SimpliSafe Original Base Station tamper handling. The Base Station fails to detect or report a condition where battery and external power are removed by a physically proximate attacker. Public metadata does not provide CVSS, CWE, affected version ranges, patch status, or confirmed exploitation.
Likely exposure
Exposure appears limited to organizations or sites still using SimpliSafe Original Base Stations. The issue requires physical proximity to the device, so risk is highest where equipment is reachable by visitors, tenants, contractors, or intruders before detection.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Abuse requires physical access near the Base Station and affects notification reliability, not remote code execution or data theft based on the provided sources.
Researcher notes
Public CVE metadata is sparse: no CVSS vector, CWE, precise versioning, or fix details are included in the provided bundle. Analysis should stay tied to the documented physical power-removal notification failure and avoid assuming broader SimpliSafe product impact.
Mitigation direction
- Review the SimpliSafe advisory and current vendor guidance for supported remediation options.
- Inventory sites using SimpliSafe Original Base Stations and record physical placement.
- Restrict physical access to Base Stations and power sources where feasible.
- Use independent monitoring or compensating controls for high-risk locations.
- Document risk acceptance if vendor-supported remediation is unavailable.
Validation and detection
- Confirm whether any protected locations still use SimpliSafe Original equipment.
- Check whether Base Stations are physically accessible to untrusted people.
- Review alarm records for unexpected offline or power-loss gaps.
- Validate notification behavior only in an approved maintenance window or lab.
- Track findings against site criticality and replacement priority.
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-2018-11400 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://simplisafe.com/files/pdf/SimpliSafe_advisory_8-17-18.pdfCVE reference · x_refsource_MISC
- https://www.simpleorsecure.net/simplisafe-security-advisory/CVE 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.