CVE-2024-2103
mediumpriority · track · 0EPSS 0.005 · 39 %ileEUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedSEL-700BT Motor Bus Transfer Relaycisa_csaf_ot
SEL-700BT Motor Bus Transfer Relay: R301-V6
https://selinc.com/products/firmware/ - FixedSEL-700G Generator Protection Relaycisa_csaf_ot
SEL-700G Generator Protection Relay: R301-V6
https://selinc.com/products/firmware/ - FixedSEL-710-5 Motor Protection Relaycisa_csaf_ot
SEL-710-5 Motor Protection Relay: R302-V0
https://selinc.com/products/firmware/ - FixedSEL-751 Feeder Protection Relaycisa_csaf_ot
SEL-751 Feeder Protection Relay: R302-V3
https://selinc.com/products/firmware/ - FixedSEL-787-2/-3/-4 Transformer Protection Relaycisa_csaf_ot
SEL-787-2/-3/-4 Transformer Protection Relay: R302-V1
https://selinc.com/products/firmware/ - FixedSEL-787Z High-Impedance Differential Relaycisa_csaf_ot
SEL-787Z High-Impedance Differential Relay: R302-V3
https://selinc.com/products/firmware/ - MitigationSEL-700BT Motor Bus Transfer Relaycisa_csaf_ot
Schweitzer Engineering Laboratories recommends updating to the latest versions:
- MitigationSEL-700G Generator Protection Relaycisa_csaf_ot
Schweitzer Engineering Laboratories recommends updating to the latest versions:
- MitigationSEL-710-5 Motor Protection Relaycisa_csaf_ot
Schweitzer Engineering Laboratories recommends updating to the latest versions:
- MitigationSEL-751 Feeder Protection Relaycisa_csaf_ot
Schweitzer Engineering Laboratories recommends updating to the latest versions:
- MitigationSEL-787-2/-3/-4 Transformer Protection Relaycisa_csaf_ot
Schweitzer Engineering Laboratories recommends updating to the latest versions:
- MitigationSEL-787Z High-Impedance Differential Relaycisa_csaf_ot
Schweitzer Engineering Laboratories recommends updating to the latest versions:
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (33)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-24-095-02Schweitzer Engineering Laboratories SEL 700 series relays2024-04-04icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an attacker to make modifications or cause a denial-of-service condition.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
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