CVE-2021-23017

Published Jun 1, 2021

Last updated a year ago

Overview

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.
Source
f5sirt@f5.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
7.7
Impact score
5.5
Exploitability score
2.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
6.8
Impact score
6.4
Exploitability score
8.6
Vector string
AV:N/AC:M/Au:N/C:P/I:P/A:P

Weaknesses

f5sirt@f5.com
CWE-193
nvd@nist.gov
CWE-193

Social media

Hype score
Not currently trending

Configurations