A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0…
Priority LOW 29CWE-471Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). The status provided by the syslog clients managed by the affected software can be manipulated by an unauthenticated attacker in the same network of the affected system.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00387 33rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | SINEMA Remote Connect Server | All versions < V3.0 SP2 | — | No fix listed | CNA |
- SINEMA Remote Connect Server VendorSiemens Affected All versions < V3.0 SP2 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:* | before 3.0 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:sinema_remote_connect_server:3.0:-:*:*:*:*:*:* | 3.0 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:sinema_remote_connect_server:3.0:sp1:*:*:*:*:*:* | 3.0 sp1 | Vulnerable | Siemens |
- cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:* Versions before 3.0 Vulnerable ·Siemens
- cpe:2.3:a:siemens:sinema_remote_connect_server:3.0:-:*:*:*:*:*:* Versions 3.0 Vulnerable ·Siemens
- cpe:2.3:a:siemens:sinema_remote_connect_server:3.0:sp1:*:*:*:*:*:* Versions 3.0 sp1 Vulnerable ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-37177
- 2026-10-03 Alias added: GHSA-3xq3-mvf9-543x
References
More Siemens Sinema Remote Connect Server vulnerabilities
- TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
- TI-2022-09008 In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames. CVSS 3.1CRITICAL 9.8
- TI-2022-08947 xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert… CVSS 3.1CRITICAL 9.8
- TI-2020-06117 xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation. CVSS 3.1HIGH 7.5
- TI-2021-20962 In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the… CVSS 3.1HIGH 8.8
- TI-2021-21076 In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize. CVSS 3.1HIGH 8.1
Sources
- CVE-2021-37177 · CVE Program
- CVE-2021-37177 · NVD
- FIRST EPSS
- GHSA-3xq3-mvf9-543x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences