title: Inclusion of Undocumented Features
description:
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.
problem types: CWE-1242: Inclusion of Undocumented Features
affected:
{
defaultStatus: unaffected
product: SEL-700BT Motor Bus Transfer Relay
vendor: Schweitzer Engineering Laboratories
versions:
lessThan: R301-V6, status: affected, version: R301-V0, versionType: custom
lessThan: R302-V1, status: affected, version: R302-V0, versionType: custom
}
{
defaultStatus: unaffected
product:  SEL-700G Generator Protection Relay
vendor: Schweitzer Engineering Laboratories
versions:
lessThan: R301-V6, status: affected, version: R100-V0, versionType: custom
lessThan: R302-V1, status: affected, version: R302-V0, versionType: custom
}
{
defaultStatus: unaffected
product: SEL-710-5 Motor Protection Relay
vendor: SEL-710-5 Motor Protection Relay
versions:
lessThan: R302-V1, status: affected, version: R100-V0, versionType: custom
}
{
defaultStatus: unaffected
product: SEL-751 Feeder Protection Relay
vendor: Schweitzer Engineering Laboratories
versions:
lessThan: R302-V3, status: affected, version: R101-V0, versionType: custom
lessThan: R400-V2, status: affected, version: R400-V0, versionType: custom
}
{
defaultStatus: unaffected
product: SEL-787-2/-3/-4 Transformer Protection Relay
vendor: Schweitzer Engineering Laboratories
versions:
lessThan: R302-V1, status: affected, version: R100-V0, versionType: custom
}
{
defaultStatus: unaffected
product: SEL-787Z High-Impedance Differential Relay
vendor: Schweitzer Engineering Laboratories
versions:
lessThan: R302-V3, status: affected, version: R302-V0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 6.5
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL