CVE-2020-35608
CVSS v3
7.8
HIGH
EPSS Score
4.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A code execution vulnerability exists in the normal world’s signed code execution functionality of Microsoft Azure Sphere 20.07. A specially crafted AF_PACKET socket can cause a process to create an executable memory mapping with controllable content. An attacker can execute a shellcode that uses the PACKET_MMAP functionality to trigger this vulnerability.
Technical details
- Published
- 2020-12-22
Frequently asked questions
What is CVE-2020-35608?
A code execution vulnerability exists in the normal world’s signed code execution functionality of Microsoft Azure Sphere 20.07. A specially crafted AF_PACKET socket can cause a process to create an executable memory mapping with controllable content. An attacker can execute a shellcode that uses the PACKET_MMAP functionality to trigger this vulnerability.
Is CVE-2020-35608 actively exploited?
Active exploitation of CVE-2020-35608 has not been confirmed. Its EPSS score was 4.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-35608?
CVE-2020-35608 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2020-35608 affecting your environment?
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