How severe is CVE-2020-16990?

CVE-2020-16990 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-16990 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16990?

CVE-2020-16990 affects Microsoft Azure Sphere. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-16990?

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

When was CVE-2020-16990 published?

CVE-2020-16990 was published on 2020-11-11 and last updated on 2026-06-17.

CVE-2020-16990

CVE-2020-16990 is a medium-severity vulnerability in Microsoft Azure Sphere with a CVSS 3.x base score of 6.2. 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-732.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
CVSS v2: 2.1
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Microsoft Azure Sphere
Published: 2020-11-11
Last modified: 2026-06-17

Description

Azure Sphere Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2020-16990?: Azure Sphere Information Disclosure Vulnerability
How severe is CVE-2020-16990?: CVE-2020-16990 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-16990 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16990?: CVE-2020-16990 affects Microsoft Azure Sphere. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-16990?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-16990 published?: CVE-2020-16990 was published on 2020-11-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:azure_sphere:*:*:*:*:*:*:*:*

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