CVE-2021-36764 - Vulnerability Details - OpenCVE

Description

In CODESYS Gateway V3 before 3.5.17.10, there is a NULL Pointer Dereference. Crafted communication requests may cause a Null pointer dereference in the affected CODESYS products and may result in a denial-of-service condition.

Published: 2021-08-04

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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:codesys:gateway:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-23352	In CODESYS Gateway V3 before 3.5.17.10, there is a NULL Pointer Dereference. Crafted communication requests may cause a Null pointer dereference in the affected CODESYS products and may result in a denial-of-service condition.

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.

The EPSS score is 0.00243.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16804&token=d8c89c887979b22fdfc9fd5c3aa3804bbb1ddbff&download=

History

No history.

Subscriptions

Codesys Gateway

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-08-04T13:35:31.000Z

Updated: 2024-08-04T01:01:59.256Z

Reserved: 2021-07-16T00:00:00.000Z

Link: CVE-2021-36764

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-04T14:15:08.507

Modified: 2024-11-21T06:14:02.750

Link: CVE-2021-36764

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

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