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Vulnerability details: VCID-gvr7-64sm-1kdv
Vulnerability ID VCID-gvr7-64sm-1kdv
Aliases CVE-2021-36754
Summary 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.
Status Published
Exploitability 2.0
Weighted Severity 6.2
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
epss 0.8134 https://api.first.org/data/v1/epss?cve=CVE-2021-36754
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
archlinux Medium https://security.archlinux.org/AVG-2222
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-36754
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
ASA-202107-73 https://security.archlinux.org/ASA-202107-73
AVG-2222 https://security.archlinux.org/AVG-2222
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.99161
EPSS Score 0.8134
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T18:10:56.743295+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 38.0.0