HIGH

CVE-2021-36754

CVSS v3

7.5

HIGH

EPSS Score

84.5%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.

Technical details

Published
7/30/2021

Frequently asked questions

What is CVE-2021-36754?

PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.

Is CVE-2021-36754 actively exploited?

Active exploitation of CVE-2021-36754 has not been confirmed. The EPSS score is 84.5%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-36754?

CVE-2021-36754 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-36754 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.