Inclusion of undocumented features vulnerability accessible when logged on with a privileged access level on the following Schweitzer Engineering Laboratories relays could allow the relay to behave unpredictably:
SEL-700BT Motor Bus Transfer Relay, SEL-700G Generator Protection Relay, SEL-710-5 Motor Protection Relay, SEL-751 Feeder Protection Relay, SEL-787-2/-3/-4 Transformer Protection Relay, SEL-787Z High-Impedance Differential Relay
. See product instruction manual appendix A dated 20240308 for more details regarding the SEL-751 Feeder Protection Relay. For more information for the other affected products, see their instruction manuals dated 20240329.
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.
SEL-700BT Motor Bus Transfer Relay
Vendor
Schweitzer Engineering Laboratories
Product
SEL-700BT Motor Bus Transfer Relay
Platforms
Unknown
Default status
unaffected
SEL-700BT Motor Bus Transfer Relay · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
R301-V0
affected
custom
R301-V6
Unavailable
None listed
R302-V0
affected
custom
R302-V1
Unavailable
None listed
SEL-700G Generator Protection Relay
Vendor
Schweitzer Engineering Laboratories
Product
SEL-700G Generator Protection Relay
Platforms
Unknown
Default status
unaffected
SEL-700G Generator Protection Relay · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
R100-V0
affected
custom
R301-V6
Unavailable
None listed
R302-V0
affected
custom
R302-V1
Unavailable
None listed
SEL-710-5 Motor Protection Relay
Vendor
SEL-710-5 Motor Protection Relay
Product
SEL-710-5 Motor Protection Relay
Platforms
Unknown
Default status
unaffected
SEL-710-5 Motor Protection Relay · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
R100-V0
affected
custom
R302-V1
Unavailable
None listed
SEL-751 Feeder Protection Relay
Vendor
Schweitzer Engineering Laboratories
Product
SEL-751 Feeder Protection Relay
Platforms
Unknown
Default status
unaffected
SEL-751 Feeder Protection Relay · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
R101-V0
affected
custom
R302-V3
Unavailable
None listed
R400-V0
affected
custom
R400-V2
Unavailable
None listed
SEL-787-2/-3/-4 Transformer Protection Relay
Vendor
Schweitzer Engineering Laboratories
Product
SEL-787-2/-3/-4 Transformer Protection Relay
Platforms
Unknown
Default status
unaffected
SEL-787-2/-3/-4 Transformer Protection Relay · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
R100-V0
affected
custom
R302-V1
Unavailable
None listed
SEL-787Z High-Impedance Differential Relay
Vendor
Schweitzer Engineering Laboratories
Product
SEL-787Z High-Impedance Differential Relay
Platforms
Unknown
Default status
unaffected
SEL-787Z High-Impedance Differential Relay · Scoped product and version facts