Vulnerability · Published Dec 11, 2020 · Assigned by mitre

CVE-2020-25110

Critical 9.8

In plain English

A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 53.7% (higher than 99.0% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)53.7%top 1.0% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An 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 checked, and is used for internal memory operations. This may lead to successful Denial-of-Service, and possibly Remote Code Execution.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.kb.cert.org/vuls/id/815128 x_refsource_MISC
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01 x_refsource_MISC