Priority MEDIUM 45
In 3S-Smart Software Solutions GmbH CODESYS Control V3 products prior to version 3.5.14.0, user access management and communication encryption is not enabled by default, which could allow an attacker access to the device…
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01386 · Published 2019-01-29 · No fix listed CWE-284
Priority MEDIUM 42
In multiple products of CODESYS v3 in multiple versions a remote low privileged user could utilize this vulnerability to read and modify system files and OS resources or DoS the device.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.00883 · Published 2023-03-23 · Fixed in 3.5.19.0, 4.8.0.0 CWE-1188
Priority MEDIUM 42
In CODESYS Control in multiple versions a improper restriction of operations within the bounds of a memory buffer allow an remote attacker with user privileges to gain full access of the device.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.00878 · Published 2023-08-03 · No fix listed CWE-119
Priority LOW 39
An unauthenticated remote attacker may cause the visualisation server of the CODESYS Control runtime system to access a resource with a pointer of wrong type, potentially leading to a denial-of-service (DoS) condition.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00417 · Published 2025-12-01 · Fixed in 3.5.21.40, 4.19.0.0 CWE-843
Priority LOW 39
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03353 · Published 2019-02-19 · No fix listed
Priority LOW 38
A remote, authenticated attacker could utilize the control program of the CODESYS Control runtime system to use the vulnerability in order to read and modify the configuration file(s) of the affected products.
CVSS 3.1HIGH 8.1· Network · Low privileges · No interaction · EPSS 0.01287 · Published 2022-04-07 · Fixed in V3.5.17.40, V4.5.0.0 CWE-668
Priority LOW 38
An issue was discovered in 3S-Smart CODESYS V3 products.
CVSS 3.1HIGH 8.8· Adjacent network · No auth · No interaction · EPSS 0.00303 · Published 2019-08-15 · No fix listed CWE-327
Priority LOW 38
Use of Insufficiently Random Values exists in CODESYS V3 products versions prior V3.5.14.0.
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.02998 · Published 2019-02-19 · No fix listed CWE-330
Priority LOW 36
A remote, unauthenticated attacker can send a specific crafted HTTP or HTTPS requests causing a buffer over-read resulting in a crash of the webserver of the CODESYS Control runtime system.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01682 · Published 2022-04-07 · Fixed in V3.5.18.0, V4.5.0.0 CWE-126
Priority LOW 36
An unauthenticated, remote attacker can disrupt existing communication channels between CODESYS products by guessing a valid channel ID and injecting packets.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01522 · Published 2022-04-07 · Fixed in V3.5.18.0, V4.5.0.0 CWE-334
Priority LOW 35
In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00894 · Published 2022-07-11 · Fixed in V3.5.18.20, V3.5.18.10 +1 CWE-400
Priority LOW 35
In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00894 · Published 2022-07-11 · Fixed in V3.5.18.20, V3.5.18.10 +1 CWE-400
Priority LOW 34
The SysDrv3S driver in the CODESYS Control runtime system on Microsoft Windows allows any system user to read and write within restricted memory space.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00263 · Published 2022-04-07 · Fixed in V3.5.18.0 CWE-732
Priority LOW 33
An authenticated, remote attacker can gain access to a dereferenced pointer contained in a request.
CVSS 3.1HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.01036 · Published 2022-04-07 · Fixed in V3.5.18.0, V4.5.0.0 CWE-822
Priority LOW 31
An authenticated remote attacker can cause a null pointer dereference in the CmpSettings component of the affected CODESYS products which leads to a crash.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.01206 · Published 2022-04-07 · Fixed in V3.5.18.0, V4.5.0.0 CWE-476
Priority LOW 30
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 internall…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00626 · Published 2023-08-03 · Fixed in V4.10.0.0, V3.5.19.20 CWE-20
Priority LOW 30
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 internall…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00626 · Published 2023-08-03 · Fixed in V4.10.0.0, V3.5.19.20 CWE-20
Priority LOW 30
After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted remote communication requests can cause the CmpAppBP component to overwrite a heap-based buffer, which can lea…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00626 · Published 2023-08-03 · Fixed in V4.10.0.0, V3.5.19.20 CWE-787
Priority LOW 30
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…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00626 · Published 2023-08-03 · Fixed in V4.10.0.0, V3.5.19.20 CWE-20
Priority LOW 30
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…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00626 · Published 2023-08-03 · Fixed in V4.10.0.0, V3.5.19.20 CWE-20
Priority LOW 30
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…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00626 · Published 2023-08-03 · Fixed in V4.10.0.0, V3.5.19.20 CWE-20
Priority LOW 30
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…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00626 · Published 2023-08-03 · Fixed in V4.10.0.0, V3.5.19.20 CWE-20
Priority LOW 30
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…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00626 · Published 2023-08-03 · Fixed in V4.10.0.0, V3.5.19.20 CWE-20
Priority LOW 30
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 fr…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00626 · Published 2023-08-03 · Fixed in V4.10.0.0, V3.5.19.20 CWE-20
Priority LOW 30
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 fr…
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00626 · Published 2023-08-03 · Fixed in V4.10.0.0, V3.5.19.20 CWE-20
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