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By the Year

In 2024 there have been 0 vulnerabilities in Codesys Plcwinnt . Plcwinnt did not have any published security vulnerabilities last year.

Year Vulnerabilities Average Score
2024 0 0.00
2023 0 0.00
2022 11 7.81
2021 5 7.42
2020 0 0.00
2019 1 6.50
2018 0 0.00

It may take a day or so for new Plcwinnt vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Codesys Plcwinnt Security Vulnerabilities

Multiple CODESYS Products are prone to a buffer over read

CVE-2022-32141 6.5 - Medium - June 24, 2022

Multiple CODESYS Products are prone to a buffer over read. A low privileged remote attacker may craft a request with an invalid offset, which can cause an internal buffer over-read, resulting in a denial-of-service condition. User interaction is not required.

Out-of-bounds Read

In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.

CVE-2022-31805 7.5 - High - June 24, 2022

In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.

Unprotected Transport of Credentials

In CODESYS V2 PLCWinNT and Runtime Toolkit 32 in versions prior to V2.4.7.57 password protection is not enabled by default and there is no information or prompt to enable password protection at login in case no password is set at the controller.

CVE-2022-31806 9.8 - Critical - June 24, 2022

In CODESYS V2 PLCWinNT and Runtime Toolkit 32 in versions prior to V2.4.7.57 password protection is not enabled by default and there is no information or prompt to enable password protection at login in case no password is set at the controller.

Insecure Default Initialization of Resource

Multiple products of CODESYS implement a improper error handling

CVE-2022-1965 8.1 - High - June 24, 2022

Multiple products of CODESYS implement a improper error handling. A low privilege remote attacker may craft a request, which is not properly processed by the error handling. In consequence, the file referenced by the request could be deleted. User interaction is not required.

Improper Handling of Exceptional Conditions

In multiple CODESYS products, a low privileged remote attacker may craft a request

CVE-2022-32136 6.5 - Medium - June 24, 2022

In multiple CODESYS products, a low privileged remote attacker may craft a request that cause a read access to an uninitialized pointer, resulting in a denial-of-service. User interaction is not required.

Access of Uninitialized Pointer

In multiple CODESYS products, a low privileged remote attacker may craft a request

CVE-2022-32137 8.8 - High - June 24, 2022

In multiple CODESYS products, a low privileged remote attacker may craft a request, which may cause a heap-based buffer overflow, resulting in a denial-of-service condition or memory overwrite. User interaction is not required.

Heap-based Buffer Overflow

In multiple CODESYS products, a remote attacker may craft a request

CVE-2022-32138 8.8 - High - June 24, 2022

In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite.

Unexpected Sign Extension

In multiple CODESYS products, a low privileged remote attacker may craft a request

CVE-2022-32139 6.5 - Medium - June 24, 2022

In multiple CODESYS products, a low privileged remote attacker may craft a request, which cause an out-of-bounds read, resulting in a denial-of-service condition. User Interaction is not required.

Out-of-bounds Read

Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request

CVE-2022-32140 6.5 - Medium - June 24, 2022

Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.

Classic Buffer Overflow

Multiple CODESYS Products are prone to a out-of bounds read or write access

CVE-2022-32142 8.1 - High - June 24, 2022

Multiple CODESYS Products are prone to a out-of bounds read or write access. A low privileged remote attacker may craft a request with invalid offset, which can cause an out-of-bounds read or write access, resulting in denial-of-service condition or local memory overwrite, which can lead to a change of local files. User interaction is not required.

Untrusted pointer offset

In multiple CODESYS products, file download and upload function allows access to internal files in the working directory e.g

CVE-2022-32143 8.8 - High - June 24, 2022

In multiple CODESYS products, file download and upload function allows access to internal files in the working directory e.g. firmware files of the PLC. All requests are processed on the controller only if no level 1 password is configured on the controller or if remote attacker has previously successfully authenticated himself to the controller. A successful Attack may lead to a denial of service, change of local files, or drain of confidential Information. User interaction is not required

Files or Directories Accessible to External Parties

In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions

CVE-2021-34593 7.5 - High - October 26, 2021

In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.

Improper Handling of Exceptional Conditions

A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56

CVE-2021-34595 8.1 - High - October 26, 2021

A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition or local memory overwrite.

Buffer Overflow

A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56

CVE-2021-34596 6.5 - Medium - October 26, 2021

A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.

Access of Uninitialized Pointer

CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.

CVE-2021-30186 7.5 - High - May 25, 2021

CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.

Memory Corruption

CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.

CVE-2021-30195 7.5 - High - May 25, 2021

CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.

Out-of-bounds Read

3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54

CVE-2019-19789 6.5 - Medium - December 20, 2019

3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference.

NULL Pointer Dereference

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