How severe is CVE-2021-40355?

CVE-2021-40355 has a CVSS 3.x base score of 8.8, 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 high, and availability high.

Is CVE-2021-40355 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40355?

CVE-2021-40355 affects Siemens Teamcenter Visualization. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40355?

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-2021-40355 published?

CVE-2021-40355 was published on 2021-09-14 and last updated on 2026-06-17.

CVE-2021-40355

CVE-2021-40355 is a high-severity vulnerability in Siemens Teamcenter Visualization with a CVSS 3.x base score of 8.8. 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-639.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
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 affected application contains Insecure Direct Object Reference (IDOR) vulnerability that allows an attacker to use user-supplied input to access objects directly.

Frequently asked questions

What is CVE-2021-40355?: 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 affected application contains Insecure Direct Object Reference (IDOR) vulnerability that allows an attacker to use user-supplied input to access objects directly.
How severe is CVE-2021-40355?: CVE-2021-40355 has a CVSS 3.x base score of 8.8, 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 high, and availability high.
Is CVE-2021-40355 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40355?: CVE-2021-40355 affects Siemens Teamcenter Visualization. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40355?: 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-2021-40355 published?: CVE-2021-40355 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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