How severe is CVE-2021-37202?

CVE-2021-37202 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-37202 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37202?

CVE-2021-37202 primarily affects Siemens Nx 1980. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-37202?

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

When was CVE-2021-37202 published?

CVE-2021-37202 was published on 2021-09-14 and last updated on 2026-06-17.

CVE-2021-37202

CVE-2021-37202 is a high-severity vulnerability in Siemens Nx 1980 with a CVSS 3.x base score of 7.8. 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-416.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Siemens Nx 1980
Published: 2021-09-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in NX 1980 Series (All versions < V1984), Solid Edge SE2021 (All versions < SE2021MP8). The IFC adapter in affected application contains a use-after-free vulnerability that could be triggered while parsing user-supplied IFC files. An attacker could leverage this vulnerability to execute code in the context of the current process.

Frequently asked questions

What is CVE-2021-37202?: A vulnerability has been identified in NX 1980 Series (All versions < V1984), Solid Edge SE2021 (All versions < SE2021MP8). The IFC adapter in affected application contains a use-after-free vulnerability that could be triggered while parsing user-supplied IFC files. An attacker could leverage this vulnerability to execute code in the context of the current process.
How severe is CVE-2021-37202?: CVE-2021-37202 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-37202 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37202?: CVE-2021-37202 primarily affects Siemens Nx 1980. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-37202?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-37202 published?: CVE-2021-37202 was published on 2021-09-14 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:siemens:nx_1980:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:solid_edge:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:solid_edge:se2021:-:*:*:*:*:*:*
cpe:2.3:a:siemens:solid_edge:se2021:maintenance_pack1:*:*:*:*:*:*
cpe:2.3:a:siemens:solid_edge:se2021:maintenance_pack2:*:*:*:*:*:*
cpe:2.3:a:siemens:solid_edge:se2021:maintenance_pack3:*:*:*:*:*:*
cpe:2.3:a:siemens:solid_edge:se2021:maintenance_pack4:*:*:*:*:*:*
cpe:2.3:a:siemens:solid_edge:se2021:maintenance_pack5:*:*:*:*:*:*
cpe:2.3:a:siemens:solid_edge:se2021:maintenance_pack6:*:*:*:*:*:*
cpe:2.3:a:siemens:solid_edge:se2021:maintenance_pack7:*:*:*:*:*:*

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