LiveActive security incident?Get immediate response
CVE Record

CVE-2021-37192: 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 has an information disclosure vulnerability that could allow an attacker to retrieve a list of network devices a known user can manage.

MediumCVSS 4.3Not KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

SINEMA Remote Connect Server versions before V3.0 SP2 can leak the list of network devices a known user is allowed to manage. This is a confidentiality issue, not a data destruction or takeover flaw in the provided sources.

Executive priority

Treat as a medium-priority confidentiality issue. Prioritize remediation for industrial remote-access environments where device inventory disclosure could aid reconnaissance or operational targeting.

Technical view

The vulnerability is CWE-200 information disclosure with CVSS 3.1 score 4.3. The vector is adjacent network, low complexity, no privileges, no user interaction, unchanged scope, and low confidentiality impact only.

Likely exposure

Exposure is limited to organizations running Siemens SINEMA Remote Connect Server below V3.0 SP2, especially where adjacent network access to the service is possible.

Exploitation context

The provided bundle does not show CISA KEV listing or active exploitation. The disclosed impact is retrieval of device lists for a known user's manageable network devices.

Researcher notes

Evidence is narrow: affected product, version range, CWE, CVSS, and disclosed impact are provided. The bundle does not include exploit details, observed exploitation, or broader affected product claims.

Mitigation direction

  • Upgrade SINEMA Remote Connect Server to V3.0 SP2 or later where applicable.
  • Review Siemens SSA-334944 for product-specific remediation guidance.
  • Inventory SINEMA Remote Connect Server deployments and prioritize versions below V3.0 SP2.
  • Limit reachable management surfaces while remediation is planned.

Validation and detection

  • Confirm installed SINEMA Remote Connect Server versions across environments.
  • Flag any deployment running a version earlier than V3.0 SP2.
  • Review exposure paths where adjacent network access to the server is possible.
  • Check logs for unusual access to device-management views or related endpoints.
Prepared
Confidence
high
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-200: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-37192 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
4.3CVSS 3.1MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.3Medium
CVSS 3.1 vector shape for CVE-2021-37192Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SiemensSINEMA Remote Connect ServerAll versions < V3.0 SP2Listed
Weakness

CWE details

CWE-200

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-200 · source CWE mapping

Exposure of Sensitive Information to an Unauthorized Actor

Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs