CWE
916
Advisory Published
Updated

CVE-2020-12069: CODESYS V3 prone to Inadequate Password Hashing

First published: Mon Dec 26 2022(Updated: )

In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. This can be used by a local attacker with low privileges to gain full control of the device.

Credit: cve@mitre.org info@cert.vde.com

Affected SoftwareAffected VersionHow to fix
Pilz PMC>=3.0.0<3.5.17
CODESYS Control for Beaglebone SL<3.5.16.0
CODESYS Control for empc-a/imx6<3.5.16.0
CODESYS Control for IoT2000<3.5.16.0
CODESYS Control for Linux<3.5.16.0
WAGO PFC 100<3.5.16.0
WAGO PFC200<3.5.16.0
CODESYS Control for PLCnext<3.5.16.0
CODESYS Control for Raspberry Pi SL<3.5.16.0
CODESYS Control RTE<3.5.16.0
CODESYS Control Runtime System Toolkit<3.5.16.0
CODESYS Control V3<3.5.16.0
CODESYS HMI<3.5.16.0
CODESYS Simulation Runtime<3.5.16.0
All of
Any of
Festo Controller CECC-D Firmware=2.3.8.0
Festo Controller CECC-D Firmware=2.3.8.1
Festo Controller Cecc-d Firmware
All of
Any of
Festo Controller CECC-LK=2.3.8.0
Festo Controller CECC-LK=2.3.8.1
Festo Controller Cecc-lk Firmware
All of
Any of
Festo Controller Cecc-s Firmware=2.3.8.0
Festo Controller Cecc-s Firmware=2.3.8.1
Festo Controller Cecc-s Firmware
All of
WAGO 750-8217 firmware
WAGO 750-8217 firmware
All of
WAGO 750-8216 firmware<03.06.19\(18\)
WAGO 750-8216/040-000
All of
WAGO 750-8215 firmware<03.06.19\(18\)
WAGO 750-8215 firmware
All of
WAGO 750-8214 firmware<03.06.19\(18\)
WAGO 750-8214 firmware
All of
WAGO 750-8213/040-010 firmware<03.06.19\(18\)
WAGO 750-8213/040-010
All of
WAGO 750-8212/025-002 firmware<03.06.19\(18\)
Cisco 8212
All of
WAGO 750-8211/040-001 firmware<03.06.19\(18\)
WAGO 750-8211/040-000
All of
WAGO 750-8210/040-000 firmware<03.06.19\(18\)
WAGO 750-8210 firmware
All of
WAGO 750-8207 firmware<03.06.19\(18\)
WAGO 750-8207/025-000
All of
WAGO 750-8206 firmware<03.06.19\(18\)
WAGO 750-xxx series firmware
All of
WAGO 750-8204 firmware<03.06.19\(18\)
WAGO 750-8204/025-000
All of
WAGO Ethernet Firmware<03.06.19\(18\)
WAGO 750-8203 firmware
All of
WAGO 750-8202/025-002 Firmware<03.06.19\(18\)
WAGO 750-8202 Firmware
All of
WAGO Ethernet Firmware<03.06.19\(18\)
WAGO 750-8102 firmware
All of
WAGO 750-8101 firmware<03.06.19\(18\)
WAGO 750-8101 firmware
All of
WAGO 750-8100 firmware<03.06.19\(18\)
WAGO 750-8100 firmware
All of
WAGO 762-4201/8000-001 firmware<03.06.19\(18\)
WAGO 762-4201/8000-001
All of
WAGO 762-4202/8000-001 firmware<03.06.19\(18\)
WAGO 762-4202/8000-001
All of
WAGO 762-4203/8000-001 firmware<03.06.19\(18\)
WAGO 762-4203/8000-001
All of
WAGO 762-4204/8000-001 firmware<03.06.19\(18\)
WAGO 762-4204/8000-001
All of
WAGO 762-4205/8000-001 firmware<03.06.19\(18\)
WAGO 762-4205/8000-001
All of
WAGO 762-4205/8000-002 firmware<03.06.19\(18\)
WAGO 762-4205/8000-002
All of
WAGO 762-4206/8000-001 firmware<03.06.19\(18\)
WAGO 762-4206/8000-001
All of
WAGO 762-4206/8000-002 firmware<03.06.19\(18\)
WAGO 762-4206/8000-002
All of
WAGO 762-4301/8000-002 firmware<03.06.19\(18\)
WAGO 762-4301/8000-002
All of
WAGO 762-4302/8000-002 firmware<03.06.19\(18\)
WAGO 762-4302/8000-002
All of
WAGO 762-4303/8000-002 firmware<03.06.19\(18\)
WAGO 762-4303/8000-002
All of
WAGO 762-4304/8000-002 firmware<03.06.19\(18\)
WAGO 762-4304/8000-002
All of
WAGO 762-4305/8000-002 firmware<03.06.19\(18\)
WAGO 762-4305/8000-002
All of
WAGO 762-4306/8000-002 firmware<03.06.19\(18\)
WAGO 762-4306/8000-002
All of
WAGO 762-5203/8000-001 firmware<=03.06.19\(18\)
WAGO 762-5203/8000-001
All of
WAGO 762-5204/8000-001 firmware<03.06.19\(18\)
WAGO 762-5204/8000-001
All of
WAGO 762-5205/8000-001 firmware<03.06.19\(18\)
WAGO 762-5205/8000-001
All of
WAGO 762-5206/8000-001 firmware<03.06.19\(18\)
WAGO 762-5206/8000-001
All of
WAGO 762-5303/8000-002 firmware<03.06.19\(18\)
WAGO 762-5303/8000-002
All of
WAGO 762-5304/8000-002 firmware<03.06.19\(18\)
WAGO 762-5304/8000-002
All of
WAGO 762-5305/8000-002 firmware<03.06.19\(18\)
WAGO 762-5305/8000-002
All of
WAGO 762-5306/8000-002 firmware<03.06.19\(18\)
WAGO 762-5306/8000-002
All of
WAGO 762-6201/8000-001 firmware<=03.06.19\(18\)
WAGO 762-6201/8000-001
All of
WAGO 762-6202/8000-001 firmware<03.06.19\(18\)
WAGO 762-6202/8000-001
All of
WAGO 762-6203/8000-001 firmware<03.06.19\(18\)
WAGO 762-6203/8000-001
All of
WAGO 762-6204/8000-001 firmware<03.06.19\(18\)
WAGO 762-6204/8000-001
All of
WAGO 762-6301/8000-002 firmware<03.06.19\(18\)
WAGO 762-6301/8000-002
All of
WAGO 762-6302/8000-002 firmware<03.06.19\(18\)
WAGO 762-6302/8000-002
All of
WAGO 762-6303/8000-002 firmware<03.06.19\(18\)
WAGO 762-6303/8000-002
All of
WAGO 762-6304/8000-002 firmware<03.06.19\(18\)
WAGO 762-6304/8000-002
All of
Wago 752-8303/8000-0002 Firmware<03.06.19\(18\)
Wago 752-8303/8000-0002 Firmware

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Frequently Asked Questions

  • What is the severity of CVE-2020-12069?

    The severity of CVE-2020-12069 is classified as medium due to the weak password hashing vulnerability that can be exploited by local attackers.

  • How do I fix CVE-2020-12069?

    To fix CVE-2020-12069, you should upgrade to CODESYS versions 3.5.17.0 or later that implement stronger password hashing algorithms.

  • Who is affected by CVE-2020-12069?

    CVE-2020-12069 affects various CODESYS V3 products and devices utilizing the CmpUserMgr across multiple versions prior to 3.5.17.0.

  • What is the impact of CVE-2020-12069?

    The impact of CVE-2020-12069 includes the potential for local attackers to gain full control of the affected devices due to weak password storage.

  • Is there a workaround for CVE-2020-12069?

    There is no known effective workaround for CVE-2020-12069, and upgrading the software is the recommended action.

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