CVE-2021-27074
published 2021-03-11CVE-2021-27074: Azure Sphere Unsigned Code Execution Vulnerability
PriorityP425medium5.5CVSS 3.1
AVLACLPRLUINSUCNIHAN
EPSS
1.03%
59.6th percentile
Azure Sphere Unsigned Code Execution Vulnerability
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| linux | linux_kernel | >= 0 < 4.4.0-272.306 | 4.4.0-272.306 |
| microsoft | azure_sphere | — | — |
| msrc | azure_sphere | — | — |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
nvdv2.04.9MEDIUMAV:L/AC:L/Au:N/C:N/I:C/A:N
osv5.5MEDIUM
vendor_msrc6.2MEDIUM
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OSV
linux-aws vulnerabilities
osv·2025-09-02·CVSS 5.5
CVE-2024-50051 linux-aws vulnerabilities
linux-aws vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- InfiniBand drivers;
- Media drivers;
- SPI subsystem;
- USB core drivers;
- NILFS2 file system;
- IPv6 networking;
- Network traffic control;
(CVE-2024-50051, CVE-2025-37752, CVE-2024-53130, CVE-2024-47685,
CVE-2024-27074, CVE-2023-52477, CVE-2024-50202, CVE-2021-47345,
CVE-2024-57996, CVE-2024-53131)
OSV
linux-fips vulnerabilities
osv·2025-08-28·CVSS 5.5
CVE-2024-50051 linux-fips vulnerabilities
linux-fips vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- InfiniBand drivers;
- Media drivers;
- SPI subsystem;
- USB core drivers;
- NILFS2 file system;
- IPv6 networking;
- Network traffic control;
(CVE-2024-50051, CVE-2025-37752, CVE-2024-53130, CVE-2024-47685,
CVE-2024-27074, CVE-2023-52477, CVE-2024-50202, CVE-2021-47345,
CVE-2024-57996, CVE-2024-53131)
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities
osv·2025-08-28·CVSS 5.5
CVE-2024-50051 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- InfiniBand drivers;
- Media drivers;
- SPI subsystem;
- USB core drivers;
- NILFS2 file system;
- IPv6 networking;
- Network traffic control;
(CVE-2024-50051, CVE-2025-37752, CVE-2024-53130, CVE-2024-47685,
CVE-2024-27074, CVE-2023-52477, CVE-2024-50202, CVE-2021-47345,
CVE-2024-57996, CVE-2024-53131)
GHSA
GHSA-rqr5-7m2q-c54f: Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2021-27074
ghsa_unreviewed·2022-05-24·CVSS 6.2
CVE-2021-27080 [MEDIUM] GHSA-rqr5-7m2q-c54f: Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2021-27074
Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2021-27074.
GHSA
GHSA-8434-wqr6-v3mr: Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2021-27080
ghsa_unreviewed·2022-05-24·CVSS 9.3
CVE-2021-27074 [CRITICAL] GHSA-8434-wqr6-v3mr: Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2021-27080
Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2021-27080.
Microsoft
Azure Sphere Unsigned Code Execution Vulnerability
vendor_msrc·2021-03-09·CVSS 6.2
CVE-2021-27074 [MEDIUM] Azure Sphere Unsigned Code Execution Vulnerability
Azure Sphere Unsigned Code Execution Vulnerability
FAQ: What version of Azure Sphere has the update that protects from this vulnerability?
All versions of Azure Sphere that are 21.02 and higher are protected from this vulnerability.
How do I ensure my Azure Sphere device has the update?
If your device is new or has not been connected to the internet for a while, connect the device to a secure, private local network with internet access and allow the device to automatically update itself. If the device is already online, verify that the operating system version 21.02 has been installed using the Azure Sphere CLI command:
azsphere device show-os-version
If the device is connected to the internet and does not yet have the latest update, check the update status with the following Azure Sphere
No detection rules found.
No public exploits indexed.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27074https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1247https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1249https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27074https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1247https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1249
2021-03-11
Published