How severe is CVE-2021-37181?

CVE-2021-37181 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-37181 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37181?

CVE-2021-37181 primarily affects Siemens Cerberus Dms. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-37181?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-37181 published?

CVE-2021-37181 was published on 2021-09-14 and last updated on 2026-06-17.

CVE-2021-37181

CVE-2021-37181 is a critical-severity vulnerability in Siemens Cerberus Dms with a CVSS 3.x base score of 10.0. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 7.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Siemens Cerberus Dms
Published: 2021-09-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in Cerberus DMS V4.0 (All versions), Cerberus DMS V4.1 (All versions), Cerberus DMS V4.2 (All versions), Cerberus DMS V5.0 (All versions < v5.0 QU1), Desigo CC Compact V4.0 (All versions), Desigo CC Compact V4.1 (All versions), Desigo CC Compact V4.2 (All versions), Desigo CC Compact V5.0 (All versions < V5.0 QU1), Desigo CC V4.0 (All versions), Desigo CC V4.1 (All versions), Desigo CC V4.2 (All versions), Desigo CC V5.0 (All versions < V5.0 QU1). The application deserialises untrusted data without sufficient validations, that could result in an arbitrary deserialization. This could allow an unauthenticated attacker to execute code in the affected system. The CCOM communication component used for Windows App / Click-Once and IE Web / XBAP client connectivity are affected by the vulnerability.

Frequently asked questions

What is CVE-2021-37181?: A vulnerability has been identified in Cerberus DMS V4.0 (All versions), Cerberus DMS V4.1 (All versions), Cerberus DMS V4.2 (All versions), Cerberus DMS V5.0 (All versions < v5.0 QU1), Desigo CC Compact V4.0 (All versions), Desigo CC Compact V4.1 (All versions), Desigo CC Compact V4.2 (All versions), Desigo CC Compact V5.0 (All versions < V5.0 QU1), Desigo CC V4.0 (All versions), Desigo CC V4.1 (All versions), Desigo CC V4.2 (All versions), Desigo CC V5.0 (All versions < V5.0 QU1). The application deserialises untrusted data without sufficient validations, that could result in an arbitrary deserialization. This could allow an unauthenticated attacker to execute code in the affected system. The CCOM communication component used for Windows App / Click-Once and IE Web / XBAP client connectivity are affected by the vulnerability.
How severe is CVE-2021-37181?: CVE-2021-37181 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-37181 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37181?: CVE-2021-37181 primarily affects Siemens Cerberus Dms. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-37181?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-37181 published?: CVE-2021-37181 was published on 2021-09-14 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-453715.pdf

Affected products (12)

cpe:2.3:a:siemens:cerberus_dms:4.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:cerberus_dms:4.1:*:*:*:*:*:*:*
cpe:2.3:a:siemens:cerberus_dms:4.2:*:*:*:*:*:*:*
cpe:2.3:a:siemens:cerberus_dms:5.0:-:*:*:*:*:*:*
cpe:2.3:a:siemens:desigo_cc:4.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:desigo_cc:4.1:*:*:*:*:*:*:*
cpe:2.3:a:siemens:desigo_cc:4.2:*:*:*:*:*:*:*
cpe:2.3:a:siemens:desigo_cc:5.0:-:*:*:*:*:*:*
cpe:2.3:a:siemens:desigo_cc_compact:4.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:desigo_cc_compact:4.1:*:*:*:*:*:*:*
cpe:2.3:a:siemens:desigo_cc_compact:4.2:*:*:*:*:*:*:*
cpe:2.3:a:siemens:desigo_cc_compact:5.0:-:*:*:*:*:*:*

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