Vulnerability Database

300,445

Total vulnerabilities in the database

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.

  • Published: Jun 1, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-23017
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.7
  • AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

CVSS v2:

  • Severity: Medium
  • Score: 6.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs: