CVE-2021-33586

View on CVE.org

Published May 27, 2021 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

Description

InspIRCd 3.8.0 through 3.9.x before 3.10.0 allows any user (able to connect to the server) to access recently deallocated memory, aka the "malformed PONG" issue.

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:inspircd:inspircd:*:*:*:*:*:*:*:*

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

Source	ID	Title
EUVD	EUVD-2021-20272	InspIRCd 3.8.0 through 3.9.x before 3.10.0 allows any user (able to connect to the server) to access recently deallocated memory, aka the "malformed PONG" issue.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.890% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://docs.inspircd.org/security/2021-01/
https://github.com/inspircd/inspircd/commit/4350a11c663b0d75f8119743bffb7736d87abd4d
https://security.gentoo.org/glsa/202107-22

History

No history.

Subscriptions

Inspircd Inspircd

Weaknesses

CWE-732

Sources

CVE record Updated: Aug 3, 2024, 11:50 PM

Status: PUBLISHED
Assigner: mitre
Published: May 27, 2021, 5:00 AM
Updated: Aug 3, 2024, 11:50 PM
Reserved: May 27, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:54 AM

Status: Modified
Published: May 27, 2021, 5:15 AM
Modified: Jun 17, 2026, 3:54 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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