CVE-2021-30192: Critical severity codesys v2 web server vulnerability

Q: What is CVE-2021-30192?

CVE-2021-30192 is a vulnerability in CODESYS V2 Web-Server that allows attackers to bypass security checks.

Q: What is the severity of CVE-2021-30192?

CVE-2021-30192 has a severity rating of 9.8, which is classified as critical.

Q: How does CVE-2021-30192 affect CODESYS V2 Web-Server?

CVE-2021-30192 affects CODESYS V2 Web-Server before version 1.1.9.20 by having an improperly implemented security check.

Q: How can I fix CVE-2021-30192 in CODESYS V2 Web-Server?

To fix CVE-2021-30192 in CODESYS V2 Web-Server, please update to version 1.1.9.20 or newer.

Q: Where can I find more information about CVE-2021-30192?

You can find more information about CVE-2021-30192 in the following references: 1. [Reference 1](https://customers.codesys.com/index.php) 2. [Reference 2](https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14726&token=553da5d11234bbe1ceed59969d419a71bb8c8747&download=)

Published May 25, 2021

Updated

CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check.

Affected Software

55 affected components

CODESYS V2 Web Server<1.1.9.20

All of the following

WAGO 750-893 Firmware<fw08

WAGO 750-893

All of the following

WAGO 750-891 Firmware<fw08

WAGO 750-891

All of the following

WAGO 750-890 Firmware<fw08

WAGO 750-890

All of the following

WAGO 750-889 Firmware<fw15

WAGO 750-889

All of the following

WAGO 750-885 Firmware<fw15

WAGO 750-885

All of the following

WAGO 750-882 Firmware<fw15

WAGO 750-882

All of the following

WAGO 750-881 Firmware<fw15

WAGO 750-881

All of the following

WAGO 750-880 Firmware<fw16

WAGO 750-880

All of the following

WAGO 750-862 Firmware<fw08

WAGO 750-862

All of the following

WAGO 750-852 Firmware<fw15

WAGO 750-852

All of the following

WAGO 750-832 Firmware<fw08

WAGO 750-832

All of the following

WAGO 750-831 Firmware<fw15

WAGO 750-831

All of the following

WAGO 750-829 Firmware<fw15

WAGO 750-829

All of the following

WAGO 750-8202 Firmware<03.06.19_\(18\)

WAGO 750-8202

All of the following

WAGO 750-8203 Firmware<03.06.19_\(18\)

WAGO 750-8203

All of the following

WAGO 750-8204 Firmware<03.06.19_\(18\)

WAGO 750-8204

All of the following

WAGO 750-8206 Firmware<03.06.19_\(18\)

WAGO 750-8206

All of the following

WAGO 750-8207 Firmware<03.06.19_\(18\)

WAGO 750-8207

All of the following

WAGO 750-8208 Firmware<03.06.19_\(18\)

WAGO 750-8208

All of the following

WAGO 750-8210 Firmware<03.06.19_\(18\)

WAGO 750-8210

All of the following

WAGO 750-8211 Firmware<03.06.19_\(18\)

WAGO 750-8211

All of the following

WAGO 750-8212 Firmware<03.06.19_\(18\)

WAGO 750-8212

All of the following

WAGO 750-8213 Firmware<03.06.19_\(18\)

WAGO 750-8213

All of the following

WAGO 750-8214 Firmware<03.06.19_\(18\)

WAGO 750-8214

All of the following

WAGO 750-8216 Firmware<03.06.19_\(18\)

WAGO 750-8216

All of the following

WAGO 750-8217 Firmware<03.06.19_\(18\)

WAGO 750-8217

All of the following

WAGO 750-823 Firmware<fw08

WAGO 750-823

Event History

May 25, 2021

CVE Published

via MITRE·12:09 PM

Data Sourced

via MITRE·12:09 PM

Description

Data Sourced

via NVD·01:15 PM

DescriptionSeverityAffected Software

Frequently Asked Questions

What is CVE-2021-30192?

CVE-2021-30192 is a vulnerability in CODESYS V2 Web-Server that allows attackers to bypass security checks.

What is the severity of CVE-2021-30192?

CVE-2021-30192 has a severity rating of 9.8, which is classified as critical.

How does CVE-2021-30192 affect CODESYS V2 Web-Server?

CVE-2021-30192 affects CODESYS V2 Web-Server before version 1.1.9.20 by having an improperly implemented security check.

How can I fix CVE-2021-30192 in CODESYS V2 Web-Server?

To fix CVE-2021-30192 in CODESYS V2 Web-Server, please update to version 1.1.9.20 or newer.

Where can I find more information about CVE-2021-30192?

You can find more information about CVE-2021-30192 in the following references: 1. [Reference 1](https://customers.codesys.com/index.php) 2. [Reference 2](https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14726&token=553da5d11234bbe1ceed59969d419a71bb8c8747&download=)

CVE-2021-30192: Critical severity codesys v2 web server vulnerability

Affected Software

Event History

Frequently Asked Questions

What is CVE-2021-30192?

What is the severity of CVE-2021-30192?

How does CVE-2021-30192 affect CODESYS V2 Web-Server?

How can I fix CVE-2021-30192 in CODESYS V2 Web-Server?

Where can I find more information about CVE-2021-30192?

Company

Resources

Contact