How severe is CVE-2021-33712?

CVE-2021-33712 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-2021-33712 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33712?

CVE-2021-33712 affects Mendix Saml. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33712?

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-2021-33712 published?

CVE-2021-33712 was published on 2021-06-08 and last updated on 2026-06-17.

CVE-2021-33712

CVE-2021-33712 is a high-severity vulnerability in Mendix Saml 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-345.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Mendix Saml
Published: 2021-06-08
Last modified: 2026-06-17

Description

A vulnerability has been identified in Mendix SAML Module (All versions < V2.1.2). The configuration of the SAML module does not properly check various restrictions and validations imposed by an identity provider. This could allow a remote authenticated attacker to escalate privileges.

Frequently asked questions

What is CVE-2021-33712?: A vulnerability has been identified in Mendix SAML Module (All versions < V2.1.2). The configuration of the SAML module does not properly check various restrictions and validations imposed by an identity provider. This could allow a remote authenticated attacker to escalate privileges.
How severe is CVE-2021-33712?: CVE-2021-33712 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-2021-33712 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33712?: CVE-2021-33712 affects Mendix Saml. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33712?: 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-2021-33712 published?: CVE-2021-33712 was published on 2021-06-08 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-522654.pdf

Affected products (1)

cpe:2.3:a:mendix:saml:*:*:*:*:*:*:*:*

More vulnerabilities in Mendix Saml

CVE-2022-44457 — Critical (CVSS 9.8): A vulnerability has been identified in Mendix SAML (Mendix 7 compatible) (All versions < V1.17.0), Mendix SAML (Mendix…
CVE-2022-37011 — Critical (CVSS 9.8): A vulnerability has been identified in Mendix SAML (Mendix 7 compatible) (All versions < V1.17.0), Mendix SAML (Mendix…
CVE-2022-46823 — Critical (CVSS 9.3): A vulnerability has been identified in Mendix SAML (Mendix 8 compatible) (All versions >= V2.3.0 < V2.3.4), Mendix SAML…
CVE-2023-29129 — Critical (CVSS 9.1): A vulnerability has been identified in Mendix SAML (Mendix 7 compatible) (All versions >= V1.17.3 < V1.18.0), Mendix…
CVE-2023-25957 — Critical (CVSS 9.1): A vulnerability has been identified in Mendix SAML (Mendix 7 compatible) (All versions >= V1.16.4 < V1.17.3), Mendix…
CVE-2022-32285 — High (CVSS 7.5): A vulnerability has been identified in Mendix SAML Module (Mendix 7 compatible) (All versions < V1.16.6), Mendix SAML…

All CVEs affecting Mendix Saml →

Other CWE-345 (Insufficient Verification of Data Authenticity) vulnerabilities

CVE-2026-35051 — Critical (CVSS 10.0): Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is an…
CVE-2014-8165 — Critical (CVSS 10.0): scripts/amsvis/powerpcAMS/amsnet.py in powerpc-utils-python uses the pickle Python module unsafely, which allows remote…
CVE-2026-50195 — Critical (CVSS 9.9): containerd is an open-source container runtime. Versions prior to 2.3.2, 2.2.5 and 2.1.9 contain a vulnerability in the…
CVE-2022-36130 — Critical (CVSS 9.9): HashiCorp Boundary up to 0.10.1 did not properly perform data integrity checks to ensure the resources were associated…
CVE-2026-50214 — Critical (CVSS 9.8): The /v1/Plan service relies entirely on a shared global API token for full administrative management, allowing…
CVE-2025-15385 — Critical (CVSS 9.8): Insufficient Verification of Data Authenticity vulnerability in TECNO Mobile com.Afmobi.Boomplayer allows…

Browse all CWE-345 (Insufficient Verification of Data Authenticity) vulnerabilities →