title: Special HTTP(s) Requests can cause a buffer-read causing a crash of the webserver and the runtime system.
description: 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.
problem types: CWE-126 Buffer Over-read
affected:
{
product: CODESYS Control RTE (SL)
vendor: CODESYS
versions:
lessThan: V3.5.18.0, status: affected, version: V3.5.18.0, versionType: custom
}
{
product: CODESYS Control RTE (for Beckhoff CX) SL
vendor: CODESYS
versions:
lessThan: V3.5.18.0, status: affected, version: V3.5.18.0, versionType: custom
}
{
product: CODESYS Control Win (SL)
vendor: CODESYS
versions:
lessThan: V3.5.18.0, status: affected, version: V3.5.18.0, versionType: custom
}
{
product: CODESYS HMI (SL)
vendor: CODESYS
versions:
lessThan: V3.5.18.0, status: affected, version: V3.5.18.0, versionType: custom
}
{
product: CODESYS Control Runtime System Toolkit
vendor: CODESYS
versions:
lessThan: V3.5.18.0, status: affected, version: V3.5.18.0, versionType: custom
}
{
product: CODESYS Embedded Target Visu Toolkit
vendor: CODESYS
versions:
lessThan: V3.5.18.0, status: affected, version: V3.5.18.0, versionType: custom
}
{
product: CODESYS Remote Target Visu Toolkit
vendor: CODESYS
versions:
lessThan: V3.5.18.0, status: affected, version: V3.5.18.0, versionType: custom
}
{
product: CODESYS Control for BeagleBone SL
vendor: CODESYS
versions:
lessThan: V4.5.0.0, status: affected, version: V4.5.0.0, versionType: custom
}
{
product: CODESYS Control for Beckhoff CX9020 SL
vendor: CODESYS
versions:
lessThan: V4.5.0.0, status: affected, version: V4.5.0.0, versionType: custom
}
{
product: CODESYS Control for emPC-A/iMX6 SL
vendor: CODESYS
versions:
lessThan: V4.5.0.0, status: affected, version: V4.5.0.0, versionType: custom
}
{
product: CODESYS Control for IOT2000 SL
vendor: CODESYS
versions:
lessThan: V4.5.0.0, status: affected, version: V4.5.0.0, versionType: custom
}
{
product: CODESYS Control for Linux SL
vendor: CODESYS
versions:
lessThan: V4.5.0.0, status: affected, version: V4.5.0.0, versionType: custom
}
{
product: CODESYS Control for PFC100 SL
vendor: CODESYS
versions:
lessThan: V4.5.0.0, status: affected, version: V4.5.0.0, versionType: custom
}
{
product: CODESYS Control for PFC200 SL
vendor: CODESYS
versions:
lessThan: V4.5.0.0, status: affected, version: V4.5.0.0, versionType: custom
}
{
product: CODESYS Control for PLCnext SL
vendor: CODESYS
versions:
lessThan: V4.5.0.0, status: affected, version: V4.5.0.0, versionType: custom
}
{
product: CODESYS Control for Raspberry Pi SL
vendor: CODESYS
versions:
lessThan: V4.5.0.0, status: affected, version: V4.5.0.0, versionType: custom
}
{
product: CODESYS Control for WAGO Touch Panels 600 SL
vendor: CODESYS
versions:
lessThan: V4.5.0.0, status: affected, version: V4.5.0.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]