CVE-2022-31804

CODESYS Gateway server prone to denial of service attack due to excessive memory allocation

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Published Jun 24, 2022 CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed

Description

The CODESYS Gateway Server V2 does not verifiy that the size of a request is within expected limits. An unauthenticated attacker may allocate an arbitrary amount of memory, which may lead to a crash of the Gateway due to an out-of-memory condition.

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

CODESYS

CODESYS Gateway Server V2

affected

Version	Status	Constraints
`unspecified`	affected	< V2.3.9.38

Configuration 1 [-]

cpe:2.3:a:codesys:gateway:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-53193	The CODESYS Gateway Server V2 does not verifiy that the size of a request is within expected limits. An unauthenticated attacker may allocate an arbitrary amount of memory, which may lead to a crash of the Gateway due to an out-of-memory condition.

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: 1.2% (1.183% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17141&token=17867e35cfd30c77ba0137f9a17b3a557a4b7b66&download=

History

No history.

Subscriptions

Codesys Gateway

Weaknesses

CWE-789

Sources

CVE record Updated: Sep 16, 2024, 8:16 PM

Status: PUBLISHED
Assigner: CERTVDE
Published: Jun 24, 2022, 7:46 AM
Updated: Sep 16, 2024, 8:16 PM
Reserved: May 30, 2022, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:46 AM

Status: Modified
Published: Jun 24, 2022, 8:15 AM
Modified: Jun 17, 2026, 4:46 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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