CVE-2018-11399
SimpliSafe Original has Unencrypted Sensor Transmissions, which allows physically proximate...
SimpliSafe Original has Unencrypted Sensor Transmissions, which allows physically proximate attackers to obtain potentially sensitive information about the specific times when alarm-system events occur.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
SimpliSafe Original has Unencrypted Sensor Transmissions, which allows physically proximate attackers to obtain potentially sensitive information about the specific times when alarm-system events occur.
- Record
CVE-2018-11399- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 2.0
- 1.9 Low
AV:L/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-319
- Updated
- 2026-11-02
CVE List No score
SimpliSafe Original has Unencrypted Sensor Transmissions, which allows physically proximate attackers to obtain potentially sensitive information about the specific times when alarm-system events occur.
- Record
CVE-2018-11399- Updated
- 2026-11-02
EUVDEUVD-2018-3433 No score
SimpliSafe Original has Unencrypted Sensor Transmissions, which allows physically proximate attackers to obtain potentially sensitive information about the specific times when alarm-system events occur.
- Record
EUVD-2018-3433- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m8mg-43rw-v68q
SimpliSafe Original has Unencrypted Sensor Transmissions, which allows physically proximate...
SimpliSafe Original has Unencrypted Sensor Transmissions, which allows physically proximate attackers to obtain potentially sensitive information about the specific times when alarm-system events occur.
- Record
GHSA-m8mg-43rw-v68q- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-319
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-11399 is a medium vulnerability (CVSS 4.3) in Simplisafe U9k-es1000 Firmware, published May 24, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.