VulnerabilityModified
CVE-2020-25109
This may lead to successful Denial-of-Service, and possibly Remote Code Execution.
CRITICAL 9.8EPSS 53.7%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 53.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 53.70% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- ethernut/nut\/os
- Source
- cve@mitre.org
References
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01Third Party Advisory, US Government Resource
- https://www.kb.cert.org/vuls/id/815128Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01Third Party Advisory, US Government Resource
- https://www.kb.cert.org/vuls/id/815128Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.