How severe is CVE-2021-37190?

CVE-2021-37190 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-37190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37190?

CVE-2021-37190 primarily affects Siemens Sinema Remote Connect Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-37190?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-37190 published?

CVE-2021-37190 was published on 2021-09-14 and last updated on 2026-06-17.

CVE-2021-37190

CVE-2021-37190 is a medium-severity vulnerability in Siemens Sinema Remote Connect Server with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 3.3
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Siemens Sinema Remote Connect Server
Published: 2021-09-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). The affected software has an information disclosure vulnerability that could allow an attacker to retrieve VPN connection for a known user.

Frequently asked questions

What is CVE-2021-37190?: A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). The affected software has an information disclosure vulnerability that could allow an attacker to retrieve VPN connection for a known user.
How severe is CVE-2021-37190?: CVE-2021-37190 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-37190 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37190?: CVE-2021-37190 primarily affects Siemens Sinema Remote Connect Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-37190?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-37190 published?: CVE-2021-37190 was published on 2021-09-14 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-334944.pdf

Affected products (3)

cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinema_remote_connect_server:3.0:-:*:*:*:*:*:*
cpe:2.3:a:siemens:sinema_remote_connect_server:3.0:sp1:*:*:*:*:*:*

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