OpenCVE

In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not checked under all conditions, a pointer dereference with an invalid address can occur. This leads to a denial of service situation.

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

AV:N/AC:L/Au:N/C:N/I:N/A:P

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Codesys	Codesys

Configuration 1 [-]

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

No data.

References

Link	Providers
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download=
https://www.tenable.com/security/research/tra-2021-47

History

No history.

MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published: 2021-10-26T09:55:48.273766Z

Updated: 2024-09-16T21:58:06.631Z

Reserved: 2021-06-10T00:00:00

Link: CVE-2021-34585

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2021-10-26T10:15:07.907

Modified: 2021-11-23T20:32:22.957

Link: CVE-2021-34585

Redhat

No data.

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