How severe is CVE-2021-40354?

CVE-2021-40354 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2021-40354 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40354?

CVE-2021-40354 affects Siemens Teamcenter Visualization. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40354?

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-2021-40354 published?

CVE-2021-40354 was published on 2021-09-14 and last updated on 2026-06-17.

CVE-2021-40354

CVE-2021-40354 is a high-severity vulnerability in Siemens Teamcenter Visualization with a CVSS 3.x base score of 7.1. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 5.5
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Siemens Teamcenter Visualization
Published: 2021-09-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in Teamcenter V12.4 (All versions < V12.4.0.8), Teamcenter V13.0 (All versions < V13.0.0.7), Teamcenter V13.1 (All versions < V13.1.0.5), Teamcenter V13.2 (All versions < 13.2.0.2). The "surrogate" functionality on the user profile of the application does not perform sufficient access control that could lead to an account takeover. Any profile on the application can perform this attack and access any other user assigned tasks via the "inbox/surrogate tasks".

Frequently asked questions

What is CVE-2021-40354?: A vulnerability has been identified in Teamcenter V12.4 (All versions < V12.4.0.8), Teamcenter V13.0 (All versions < V13.0.0.7), Teamcenter V13.1 (All versions < V13.1.0.5), Teamcenter V13.2 (All versions < 13.2.0.2). The "surrogate" functionality on the user profile of the application does not perform sufficient access control that could lead to an account takeover. Any profile on the application can perform this attack and access any other user assigned tasks via the "inbox/surrogate tasks".
How severe is CVE-2021-40354?: CVE-2021-40354 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2021-40354 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40354?: CVE-2021-40354 affects Siemens Teamcenter Visualization. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40354?: 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-2021-40354 published?: CVE-2021-40354 was published on 2021-09-14 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-987403.pdf

Affected products (1)

cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*

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