How severe is CVE-2021-27075?

CVE-2021-27075 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-27075 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27075?

CVE-2021-27075 primarily affects Microsoft Azure Container Instances. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-27075?

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

When was CVE-2021-27075 published?

CVE-2021-27075 was published on 2021-03-11 and last updated on 2026-06-17.

CVE-2021-27075

CVE-2021-27075 is a medium-severity vulnerability in Microsoft Azure Container Instances with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 2.7
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Azure Container Instances
Published: 2021-03-11
Last modified: 2026-06-17

Description

Azure Virtual Machine Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2021-27075?: Azure Virtual Machine Information Disclosure Vulnerability
How severe is CVE-2021-27075?: CVE-2021-27075 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-27075 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27075?: CVE-2021-27075 primarily affects Microsoft Azure Container Instances. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-27075?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27075 published?: CVE-2021-27075 was published on 2021-03-11 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27075

Affected products (5)

cpe:2.3:a:microsoft:azure_container_instances:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:azure_container_registry:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:azure_kubernetes_service:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:azure_service_fabric:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:azure_spring_cloud:-:*:*:*:*:*:*:*