CVE-2020-25108

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The DNS response data length is not checked (it can be set to an arbitrary value from a packet). This may lead to successful Denial-of-Service, and possibly Remote Code Execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published: Dec 11, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-251099.8An 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 no CVE-2020-25117.7Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19 CVE-2020-251109.8An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The length byte of a domain name in a DNS query/response is not CVE-2020-251119.8An issue was discovered in the IPv6 stack in Contiki through 3.0. There is an insufficient check for the IPv6 header length. This leads to D CVE-2020-251129.8An issue was discovered in the IPv6 stack in Contiki through 3.0. There are inconsistent checks for IPv6 header extension lengths. This lead CVE-2020-251154.8The Admin CP in vBulletin 5.6.3 allows XSS via an Occupation Title or Description to User Profile Field Manager.CVE-2020-251164.8The Admin CP in vBulletin 5.6.3 allows XSS via an Announcement Title to Channel Manager.CVE-2020-251174.8The Admin CP in vBulletin 5.6.3 allows XSS via a Junior Member Title to User Title Manager.CVE-2020-251184.8The Admin CP in vBulletin 5.6.3 allows XSS via a Style Options Settings Title to Styles Manager.CVE-2020-251194.8The Admin CP in vBulletin 5.6.3 allows XSS via a Title of a Child Help Item in the Login/Logoff part of the User Manual.CVE-2020-25125.9Vulnerability in the Database Gateway for ODBC component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.CVE-2020-251204.8The Admin CP in vBulletin 5.6.3 allows XSS via the admincp/search.php?do=dosearch URI.