Codesys Hmi vulnerabilities

CVE-2025-41659 [HIGH] CWE-732 CVE-2025-41659: A low-privileged attacker can remotely access the PKI folder of the CODESYS Control runtime system a A low-privileged attacker can remotely access the PKI folder of the CODESYS Control runtime system and thus read and write certificates and its keys. This allows sensitive data to be extracted or to accept certificates as trusted. Although all services remain available, only unencrypted communication is possible if the certificates are deleted.

CVE-2025-41691 [HIGH] CWE-476 CVE-2025-41691: An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS Co An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS Control runtime systems by sending specially crafted communication requests, potentially leading to a denial-of-service (DoS) condition.

CVE-2022-47391 [HIGH] CWE-20 CVE-2022-47391: In multiple CODESYS products in multiple versions an unauthorized, remote attacker may use a imprope In multiple CODESYS products in multiple versions an unauthorized, remote attacker may use a improper input validation vulnerability to read from invalid addresses leading to a denial of service.

CVE-2021-36763 [HIGH] CWE-552 CVE-2021-36763: In CODESYS V3 web server before 3.5.17.10, files or directories are accessible to External Parties. In CODESYS V3 web server before 3.5.17.10, files or directories are accessible to External Parties.

CVE-2021-29242 [HIGH] CWE-20 CVE-2021-29242: CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send cra CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send crafted communication packets to change the router's addressing scheme and may re-route, add, remove or change low level communication packages.

CVE-2022-30791 [HIGH] CWE-400 CVE-2022-30791: In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an u In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.

CVE-2023-37551 [MEDIUM] CWE-552 CVE-2023-37551: In multiple Codesys products in multiple versions, after successful authentication as a user, specia In multiple Codesys products in multiple versions, after successful authentication as a user, specially crafted network communication requests can utilize the CmpApp component to download files with any file extensions to the controller. In contrast to the regular file download via CmpFileTransfer, no filtering of certain file types is performed her

CVE-2022-30792 [HIGH] CWE-400 CVE-2022-30792: In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.

CVE-2020-15806 [HIGH] CWE-401 CVE-2020-15806: CODESYS Control runtime system before 3.5.16.10 allows Uncontrolled Memory Allocation. CODESYS Control runtime system before 3.5.16.10 allows Uncontrolled Memory Allocation.

CVE-2019-9009 [HIGH] CWE-755 CVE-2019-9009: An issue was discovered in 3S-Smart CODESYS before 3.5.15.0 . Crafted network packets cause the Cont An issue was discovered in 3S-Smart CODESYS before 3.5.15.0 . Crafted network packets cause the Control Runtime to crash.

CVE-2022-47393 [MEDIUM] CWE-119 CVE-2022-47393: An authenticated, remote attacker may use a Improper Restriction of Operations within the Bounds of An authenticated, remote attacker may use a Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple versions of multiple CODESYS products to force a denial-of-service situation.

CVE-2022-47378 [MEDIUM] CWE-20 CVE-2022-47378: Multiple CODESYS products in multiple versions are prone to a improper input validation vulnerabilit Multiple CODESYS products in multiple versions are prone to a improper input validation vulnerability. An authenticated remote attacker may craft specific requests that use the vulnerability leading to a denial-of-service condition.

CVE-2023-37549 [MEDIUM] CVE-2023-37549: In multiple Codesys products in multiple versions, after successful authentication as a user, specif In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37

CVE-2023-37559 [MEDIUM] CVE-2023-37559: After successful authentication as a user in multiple Codesys products in multiple versions, specifi After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted network communication requests with inconsistent content can cause the CmpAppForce component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37558

CVE-2023-37547 [MEDIUM] CVE-2023-37547: In multiple Codesys products in multiple versions, after successful authentication as a user, specif In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37

CVE-2023-37552 [MEDIUM] CWE-20 CVE-2023-37552: In multiple versions of multiple Codesys products, after successful authentication as a user, specif In multiple versions of multiple Codesys products, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpAppBP component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37553, CV

CVE-2023-37554 [MEDIUM] CVE-2023-37554: In multiple versions of multiple Codesys products, after successful authentication as a user, specif In multiple versions of multiple Codesys products, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpAppBP component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37552, CVE-2023-

CVE-2023-37550 [MEDIUM] CVE-2023-37550: In multiple Codesys products in multiple versions, after successful authentication as a user, specif In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37

CVE-2023-37548 [MEDIUM] CVE-2023-37548: In multiple Codesys products in multiple versions, after successful authentication as a user, specif In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37

CVE-2023-37558 [MEDIUM] CWE-20 CVE-2023-37558: After successful authentication as a user in multiple Codesys products in multiple versions, specifi After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted network communication requests with inconsistent content can cause the CmpAppForce component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37559