Is CVE-2021-37193 in the CISA KEV catalog?

No. CVE-2021-37193 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-37193?

CVE-2021-37193 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-37193?

CVE-2021-37193 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-37193?

Upgrade sinema remote connect server to 3.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-37193

MEDIUM

4.3

CVSS v3

NVD

Description

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). An unauthenticated attacker in the same network of the affected system could manipulate certain parameters and set a valid user of the affected software as invalid (or vice-versa).

CWE-471

How to fix

Remediation Available

sinema remote connect serverNVD

Affected:< 3.0Fixed in:3.0CVE-2021-37193derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Patch1

cert-portal.siemens.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-23.