What is CVE-2020-35609?

CVE-2020-35609 is a medium-severity vulnerability in Microsoft Azure Sphere, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2020-12-22.

How severe is CVE-2020-35609?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Microsoft Azure Sphere

CVE-2020-35609

A denial-of-service vulnerability exists in the asynchronous ioctl functionality of Microsoft Azure Sphere 20.05. A sequence of specially crafted ioctl calls can cause a denial of service. An attacker can write shellcode to trigger this vulnerability.

EPSS: 0.013 (67.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Microsoft Azure_sphere — versions 20.05
N/a — versions n/a

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-35609?: CVE-2020-35609 is a medium-severity vulnerability in Microsoft Azure Sphere, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2020-12-22.
How severe is CVE-2020-35609?: Medium severity. CVSS v3 base score is 5.5 out of 10.