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Status published
Critical
CVE-2020-25109
An issue was discovered in the DNS implementation in Ethernut...
Vulnerability Description
An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The number of DNS queries/responses (set in a DNS header) is not checked against the data present. This may lead to successful Denial-of-Service, and possibly Remote Code Execution.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from ethernut
View All →CVE-2020-27213
An issue was discovered in Ethernut Nut/OS 5.1. The code...
High
7.5
CVE-2020-25110
An issue was discovered in the DNS implementation in Ethernut...
Critical
9.8
CVE-2020-25108
An issue was discovered in the DNS implementation in Ethernut...
Critical
9.8
CVE-2020-25107
An issue was discovered in the DNS implementation in Ethernut...
Critical
9.8
Affected Vendor
ethernut
View all reports →Affected Software
nut\/os
Vulnerable Versions:
0
Timeline
Official Publish:
December 11th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.