How severe is CVE-2021-43090?

CVE-2021-43090 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-43090 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43090?

CVE-2021-43090 affects Predic8 Soa Model. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43090?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-43090 published?

CVE-2021-43090 was published on 2022-03-25 and last updated on 2026-06-17.

CVE-2021-43090

CVE-2021-43090 is a critical-severity vulnerability in Predic8 Soa Model with a CVSS 3.x base score of 9.8. 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-611.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Predic8 Soa Model
Published: 2022-03-25
Last modified: 2026-06-17

Description

An XML External Entity (XXE) vulnerability exists in soa-model before 1.6.4 in the WSDLParser function.

Frequently asked questions

What is CVE-2021-43090?: An XML External Entity (XXE) vulnerability exists in soa-model before 1.6.4 in the WSDLParser function.
How severe is CVE-2021-43090?: CVE-2021-43090 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-43090 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43090?: CVE-2021-43090 affects Predic8 Soa Model. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43090?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-43090 published?: CVE-2021-43090 was published on 2022-03-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:predic8:soa_model:*:*:*:*:*:*:*:*

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