CVE-2021-42300
Azure Sphere Tampering Vulnerability
6.0 Medium
Azure Sphere Tampering Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
0.62%Up 0.2 points since Nov 10, 2021
What each source reports
CVE List Score used
Azure Sphere Tampering Vulnerability
Azure Sphere Tampering Vulnerability
- Record
CVE-2021-42300- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-29275
Azure Sphere Tampering Vulnerability
- Record
EUVD-2021-29275- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4h6w-q63m-qm8m
Azure Sphere Tampering Vulnerability
Azure Sphere Tampering Vulnerability
- Record
GHSA-4h6w-q63m-qm8m- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N - Updated
- 2026-11-02
NVD
Azure Sphere Tampering Vulnerability
- Record
CVE-2021-42300- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N - CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42300 is a medium vulnerability (CVSS 6.0) in Microsoft Azure Sphere, published November 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. No source names a fixed version.