CVE-2020-25107
CRITICALCVSS 9.8/10EPSS 52.26%
Last modified
CVE-2020-25107 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. There is no check on whether a domain name has '\0' termination. EPSS estimates a 52.26% chance of exploitation in the next 30 days.
Description
An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. There is no check on whether a domain name has '\0' termination. This may lead to successful Denial-of-Service, and possibly Remote Code Execution.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ethernut | Nut\/Os | <= 5.1 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-25107?
An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. There is no check on whether a domain name has '\0' termination. This may lead to successful Denial-of-Service, and possibly Remote Code Execution.
How severe is CVE-2020-25107?
CVE-2020-25107 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 52.26% probability of exploitation in the next 30 days.
How do I fix CVE-2020-25107?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-25107?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST