How severe is CVE-2021-33709?

CVE-2021-33709 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-33709 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33709?

CVE-2021-33709 affects Siemens Teamcenter Active Workspace. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33709?

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

When was CVE-2021-33709 published?

CVE-2021-33709 was published on 2021-07-13 and last updated on 2026-06-17.

CVE-2021-33709

CVE-2021-33709 is a medium-severity vulnerability in Siemens Teamcenter Active Workspace with a CVSS 3.x base score of 4.3. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Siemens Teamcenter Active Workspace
Published: 2021-07-13
Last modified: 2026-06-17

Description

A vulnerability has been identified in Teamcenter Active Workspace V4 (All versions < V4.3.9), Teamcenter Active Workspace V5.0 (All versions < V5.0.7), Teamcenter Active Workspace V5.1 (All versions < V5.1.4). By sending malformed requests, a remote attacker could leak an application token due to an error not properly handled by the system.

Frequently asked questions

What is CVE-2021-33709?: A vulnerability has been identified in Teamcenter Active Workspace V4 (All versions < V4.3.9), Teamcenter Active Workspace V5.0 (All versions < V5.0.7), Teamcenter Active Workspace V5.1 (All versions < V5.1.4). By sending malformed requests, a remote attacker could leak an application token due to an error not properly handled by the system.
How severe is CVE-2021-33709?: CVE-2021-33709 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-33709 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33709?: CVE-2021-33709 affects Siemens Teamcenter Active Workspace. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33709?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33709 published?: CVE-2021-33709 was published on 2021-07-13 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-622535.pdf

Affected products (1)

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

More vulnerabilities in Siemens Teamcenter Active Workspace

CVE-2021-41547 — High (CVSS 7.2): A vulnerability has been identified in Teamcenter Active Workspace V4.3 (All versions < V4.3.11), Teamcenter Active…
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CVE-2021-33710 — Medium (CVSS 6.1): A vulnerability has been identified in Teamcenter Active Workspace V4 (All versions < V4.3.9), Teamcenter Active…
CVE-2021-33711 — Medium (CVSS 5.3): A vulnerability has been identified in Teamcenter Active Workspace V4 (All versions < V4.3.9), Teamcenter Active…
CVE-2021-40357 — Medium (CVSS 4.9): A vulnerability has been identified in Teamcenter Active Workspace V4.3 (All versions < V4.3.10), Teamcenter Active…

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