Is CVE-2021-37177 in the CISA KEV catalog?

No. CVE-2021-37177 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-37177?

CVE-2021-37177 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-37177?

CVE-2021-37177 has an EPSS score of 0.38% (29th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-37177?

Upgrade sinema remote connect server to 3.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-37177

MEDIUM

6.5

CVSS v3

NVD

Description

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.

CWE-471

How to fix

Remediation Available

sinema remote connect serverNVD

Affected:< 3.0Fixed in:3.0CVE-2021-37177derived 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

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.38%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% 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.