CVE-2021-36754

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Published Jul 27, 2021 CVSS 3.1 · 7.5 High EPSS 64.9% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:powerdns:authoritative_server:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 64.9% (64.857% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2021/07/26/2
https://doc.powerdns.com/authoritative/security-advisories/index.html
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2021-01.html

History

No history.

Subscriptions

Powerdns Authoritative Server

Weaknesses

CWE-119

Sources

CVE record Updated: Aug 4, 2024, 1:01 AM

Status: PUBLISHED
Assigner: mitre
Published: Jul 27, 2021, 5:35 AM
Updated: Aug 4, 2024, 1:01 AM
Reserved: Jul 15, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:59 AM

Status: Modified
Published: Jul 30, 2021, 2:15 PM
Modified: Jun 17, 2026, 3:59 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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