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WAGO 0852-0303 FirmwareWAGO: Managed Switches: Unauthorized creation of user accounts

Risk 87
Severity
10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users.

Remedy

The Web-Based Management is only needed during installation and commissioning, not during normal operations. It is recommended to disable the web server after commissioning. The Command Line Interface (CLI) is an alternative for commissioning the device. This is the easiest and securest way to protect your device from the listed vulnerabilities. Regardless of the action described above, the vulnerabilities are fixed with following firmware releases: Item number [FW version] 0852-0303 (HW < 3)* [V1.2.5.S0] Detailed information about the hardware version is described in the installation guide. 0852-0303 (HW >=3)* [V1.2.3.S1] Detailed information about the hardware version is described in the installation guide. 0852-1305 [V1.1.8.S0] 0852-1505 [V1.1.7.S0] 0852-1305/000-001 [V1.1.4.S0] 0852-1505/000-001 [V1.1.4.S0]
First published (updated )
CVE-2021-20998

WAGO 0852-0303 FirmwareWAGO: Managed Switches: Reflected Cross-site Scripting

Risk 77
Severity
8.8
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

In multiple managed switches by WAGO in different versions an attacker may trick a legitimate user to click a link to inject possible malicious code into the Web-Based Management.

Remedy

The Web-Based Management is only needed during installation and commissioning, not during normal operations. It is recommended to disable the web server after commissioning. The Command Line Interface (CLI) is an alternative for commissioning the device. This is the easiest and securest way to protect your device from the listed vulnerabilities. Regardless of the action described above, the vulnerabilities are fixed with following firmware releases: Item number [FW version] 0852-0303 (HW < 3)* [V1.2.5.S0] Detailed information about the hardware version is described in the installation guide. 0852-0303 (HW >=3)* [V1.2.3.S1] Detailed information about the hardware version is described in the installation guide. 0852-1305 [V1.1.8.S0] 0852-1505 [V1.1.7.S0] 0852-1305/000-001 [V1.1.4.S0] 0852-1505/000-001 [V1.1.4.S0]
First published (updated )
CVE-2021-20994

WAGO 0852-0303 FirmwareWAGO: Managed Switches: Unauthorized access to password hashes

Risk 43
Severity
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

In multiple managed switches by WAGO in different versions it is possible to read out the password hashes of all Web-based Management users.

Remedy

The Web-Based Management is only needed during installation and commissioning, not during normal operations. It is recommended to disable the web server after commissioning. The Command Line Interface (CLI) is an alternative for commissioning the device. This is the easiest and securest way to protect your device from the listed vulnerabilities. Regardless of the action described above, the vulnerabilities are fixed with following firmware releases: Item number [FW version] 0852-0303 (HW < 3)* [V1.2.5.S0] Detailed information about the hardware version is described in the installation guide. 0852-0303 (HW >=3)* [V1.2.3.S1] Detailed information about the hardware version is described in the installation guide. 0852-1305 [V1.1.8.S0] 0852-1505 [V1.1.7.S0] 0852-1305/000-001 [V1.1.4.S0] 0852-1505/000-001 [V1.1.4.S0]
First published (updated )
CVE-2021-20997

WAGO 0852-0303 FirmwareWAGO: Managed Switches: Unsecure Cookie settings

Risk 27
Severity
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

In multiple managed switches by WAGO in different versions special crafted requests can lead to cookies being transferred to third parties.

Remedy

The Web-Based Management is only needed during installation and commissioning, not during normal operations. It is recommended to disable the web server after commissioning. The Command Line Interface (CLI) is an alternative for commissioning the device. This is the easiest and securest way to protect your device from the listed vulnerabilities. Regardless of the action described above, the vulnerabilities are fixed with following firmware releases: Item number [FW version] 0852-0303 (HW < 3)* [V1.2.5.S0] Detailed information about the hardware version is described in the installation guide. 0852-0303 (HW >=3)* [V1.2.3.S1] Detailed information about the hardware version is described in the installation guide. 0852-1305 [V1.1.8.S0] 0852-1505 [V1.1.7.S0] 0852-1305/000-001 [V1.1.4.S0] 0852-1505/000-001 [V1.1.4.S0]
First published (updated )
CVE-2021-20996

WAGO 0852-0303 FirmwareWAGO: Managed Switches: Exposure of sensitive information through directory listing

Risk 27
Severity
5.3
Infoleak
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

In multiple managed switches by WAGO in different versions the activated directory listing provides an attacker with the index of the resources located inside the directory.

Remedy

The Web-Based Management is only needed during installation and commissioning, not during normal operations. It is recommended to disable the web server after commissioning. The Command Line Interface (CLI) is an alternative for commissioning the device. This is the easiest and securest way to protect your device from the listed vulnerabilities. Regardless of the action described above, the vulnerabilities are fixed with following firmware releases: Item number [FW version] 0852-0303 (HW < 3)* [V1.2.5.S0] Detailed information about the hardware version is described in the installation guide. 0852-0303 (HW >=3)* [V1.2.3.S1] Detailed information about the hardware version is described in the installation guide. 0852-1305 [V1.1.8.S0] 0852-1505 [V1.1.7.S0] 0852-1305/000-001 [V1.1.4.S0] 0852-1505/000-001 [V1.1.4.S0]
First published (updated )
CVE-2021-20993

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