CVE-2021-37183
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2)....
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). The affected software allows sending send-to-sleep notifications to the managed devices. An unauthenticated attacker in the same network of the affected system can abuse these notifications to cause a Denial-of-Service condition in the managed devices.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used 6.5
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). The affected software allows sending send-to-sleep notifications to the managed devices. An unauthenticated attacker in the same network of the affected system can abuse these notifications to cause a Denial-of-Service condition in the managed devices.
- Record
CVE-2021-37183- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-284
- Updated
- 2026-11-02
CVE List 6.5
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). The affected software allows sending send-to-sleep notifications to the managed devices. An unauthenticated attacker in the same network of the affected system can abuse these notifications to cause a Denial-of-Service condition in the managed devices.
- Record
CVE-2021-37183- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2021-23757 6.5
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). The affected software allows sending send-to-sleep notifications to the managed devices. An unauthenticated attacker in the same network of the affected system can abuse these notifications to cause a Denial-of-Service condition in the managed devices.
- Record
EUVD-2021-23757- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q64v-qf3j-577f 6.5
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2)....
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). The affected software allows sending send-to-sleep notifications to the managed devices. An unauthenticated attacker in the same network of the affected system can abuse these notifications to cause a Denial-of-Service condition in the managed devices.
- Record
GHSA-q64v-qf3j-577f- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-37183 is a medium vulnerability (CVSS 6.5) in Siemens Sinema Remote Connect Server, published September 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. No source names a fixed version.