How severe is CVE-2020-17002?

CVE-2020-17002 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2020-17002 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-17002?

CVE-2020-17002 affects Microsoft C Sdk For Azure Iot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-17002?

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-2020-17002 published?

CVE-2020-17002 was published on 2020-12-10 and last updated on 2026-06-17.

CVE-2020-17002

CVE-2020-17002 is a high-severity vulnerability in Microsoft C Sdk For Azure Iot with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 9.4
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft C Sdk For Azure Iot
Published: 2020-12-10
Last modified: 2026-06-17

Description

Azure SDK for C Security Feature Bypass Vulnerability

Frequently asked questions

What is CVE-2020-17002?: Azure SDK for C Security Feature Bypass Vulnerability
How severe is CVE-2020-17002?: CVE-2020-17002 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2020-17002 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-17002?: CVE-2020-17002 affects Microsoft C Sdk For Azure Iot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-17002?: 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-2020-17002 published?: CVE-2020-17002 was published on 2020-12-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:c_sdk_for_azure_iot:*:*:*:*:*:*:*:*