How severe is CVE-2021-40357?

CVE-2021-40357 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-40357 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40357?

CVE-2021-40357 affects Siemens Teamcenter Active Workspace. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40357?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-40357 published?

CVE-2021-40357 was published on 2021-09-14 and last updated on 2026-06-17.

CVE-2021-40357

CVE-2021-40357 is a medium-severity vulnerability in Siemens Teamcenter Active Workspace with a CVSS 3.x base score of 4.9. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Siemens Teamcenter Active Workspace
Published: 2021-09-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in Teamcenter Active Workspace V4.3 (All versions < V4.3.10), Teamcenter Active Workspace V5.0 (All versions < V5.0.8), Teamcenter Active Workspace V5.1 (All versions < V5.1.5), Teamcenter Active Workspace V5.2 (All versions < V5.2.1). A path traversal vulnerability in the application could allow an attacker to bypass certain restrictions such as direct access to other services within the host.

Frequently asked questions

What is CVE-2021-40357?: A vulnerability has been identified in Teamcenter Active Workspace V4.3 (All versions < V4.3.10), Teamcenter Active Workspace V5.0 (All versions < V5.0.8), Teamcenter Active Workspace V5.1 (All versions < V5.1.5), Teamcenter Active Workspace V5.2 (All versions < V5.2.1). A path traversal vulnerability in the application could allow an attacker to bypass certain restrictions such as direct access to other services within the host.
How severe is CVE-2021-40357?: CVE-2021-40357 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-40357 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40357?: CVE-2021-40357 affects Siemens Teamcenter Active Workspace. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40357?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-40357 published?: CVE-2021-40357 was published on 2021-09-14 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-413407.pdf

Affected products (1)

cpe:2.3:a:siemens:teamcenter_active_workspace:*:*:*:*:*:*:*:*

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