A vulnerability has been identified in LOGO! CMR2020 (All versions < V2.2), LOGO! CMR2040 (All versions < V2.2), SIMATIC RTU3010C (All versions < V4.0.9), SIMATIC RTU3030C (All versions < V4.0.9), SIMATIC RTU3031C (All versions < V4.0.9), SIMATIC RTU3041C (All versions < V4.0.9). The underlying TCP/IP stack does not properly calculate the random numbers used as ISN (Initial Sequence Numbers). An adjacent attacker with network access to the LAN interface could interfere with traffic, spoof the connection and gain access to sensitive information.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
LOGO! CMR2020
Vendor
Siemens
Product
LOGO! CMR2020
Platforms
Unknown
Default status
Unknown
LOGO! CMR2020 · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
All versions < V2.2
affected
Unavailable
Unavailable
Unavailable
None listed
LOGO! CMR2040
Vendor
Siemens
Product
LOGO! CMR2040
Platforms
Unknown
Default status
Unknown
LOGO! CMR2040 · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
All versions < V2.2
affected
Unavailable
Unavailable
Unavailable
None listed
SIMATIC RTU3010C
Vendor
Siemens
Product
SIMATIC RTU3010C
Platforms
Unknown
Default status
Unknown
SIMATIC RTU3010C · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
All versions < V4.0.9
affected
Unavailable
Unavailable
Unavailable
None listed
SIMATIC RTU3030C
Vendor
Siemens
Product
SIMATIC RTU3030C
Platforms
Unknown
Default status
Unknown
SIMATIC RTU3030C · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
All versions < V4.0.9
affected
Unavailable
Unavailable
Unavailable
None listed
SIMATIC RTU3031C
Vendor
Siemens
Product
SIMATIC RTU3031C
Platforms
Unknown
Default status
Unknown
SIMATIC RTU3031C · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
All versions < V4.0.9
affected
Unavailable
Unavailable
Unavailable
None listed
SIMATIC RTU3041C
Vendor
Siemens
Product
SIMATIC RTU3041C
Platforms
Unknown
Default status
Unknown
SIMATIC RTU3041C · Scoped product and version facts