Vulnerability Details CVE-2021-23017
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.761
EPSS Ranking 98.8%
CVSS Severity
CVSS v3 Score 7.7
CVSS v2 Score 6.8