CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.7. It affects Nginx. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 53.5% probability of exploitation in the next 30 days.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
External Security References
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2021-23017
Severity
HIGH
CVSS
7.7
EPSS
53.46%
Nginx
Original NVD Description
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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)