Inclusion of Undocumented Features
Priority LOW 29CWE-1242Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00455 39th percentileScored 2026-11-07
Fix Fixed SEL-700BT Motor Bus Transfer Relay (Schweitzer Engineering Laboratories): R301-V6, R302-V1SEL-700G Generator Protection Relay (Schweitzer Engineering Laboratories): R301-V6, R302-V1+4 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Schweitzer Engineering Laboratories | SEL-700BT Motor Bus Transfer Relay | R301-V0 to before R301-V6; R302-V0 to before R302-V1 | R301-V6, R302-V1 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-700G Generator Protection Relay | R100-V0 to before R301-V6; R302-V0 to before R302-V1 | R301-V6, R302-V1 | Patch available | CNA |
| SEL-710-5 Motor Protection Relay | SEL-710-5 Motor Protection Relay | R100-V0 to before R302-V1 | R302-V1 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-751 Feeder Protection Relay | R101-V0 to before R302-V3; R400-V0 to before R400-V2 | R302-V3, R400-V2 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-787-2/-3/-4 Transformer Protection Relay | R100-V0 to before R302-V1 | R302-V1 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-787Z High-Impedance Differential Relay | R302-V0 to before R302-V3 | R302-V3 | Patch available | CNA |
- SEL-700BT Motor Bus Transfer Relay VendorSchweitzer Engineering Laboratories Affected R301-V0 to before R301-V6; R302-V0 to before R302-V1 Fixed in R301-V6, R302-V1 Patch available CNA
- SEL-700G Generator Protection Relay VendorSchweitzer Engineering Laboratories Affected R100-V0 to before R301-V6; R302-V0 to before R302-V1 Fixed in R301-V6, R302-V1 Patch available CNA
- SEL-710-5 Motor Protection Relay VendorSEL-710-5 Motor Protection Relay Affected R100-V0 to before R302-V1 Fixed in R302-V1 Patch available CNA
- SEL-751 Feeder Protection Relay VendorSchweitzer Engineering Laboratories Affected R101-V0 to before R302-V3; R400-V0 to before R400-V2 Fixed in R302-V3, R400-V2 Patch available CNA
- SEL-787-2/-3/-4 Transformer Protection Relay VendorSchweitzer Engineering Laboratories Affected R100-V0 to before R302-V1 Fixed in R302-V1 Patch available CNA
- SEL-787Z High-Impedance Differential Relay VendorSchweitzer Engineering Laboratories Affected R302-V0 to before R302-V3 Fixed in R302-V3 Patch available CNA
Remediation
- Fix · CNA SEL-700BT Motor Bus Transfer Relay (Schweitzer Engineering Laboratories) Fixed in R301-V6, R302-V1
- Fix · CNA SEL-700G Generator Protection Relay (Schweitzer Engineering Laboratories) Fixed in R301-V6, R302-V1
- Fix · CNA SEL-710-5 Motor Protection Relay (SEL-710-5 Motor Protection Relay) Fixed in R302-V1
- Fix · CNA SEL-751 Feeder Protection Relay (Schweitzer Engineering Laboratories) Fixed in R302-V3, R400-V2
- Fix · CNA SEL-787-2/-3/-4 Transformer Protection Relay (Schweitzer Engineering Laboratories) Fixed in R302-V1
- Fix · CNA SEL-787Z High-Impedance Differential Relay (Schweitzer Engineering Laboratories) Fixed in R302-V3
Timeline
- 2026-10-02 Threatist record created from CVE-2024-2103
- 2026-10-03 Alias added: GHSA-r596-ggc2-8m6g
References
More Schweitzer Engineering Laboratories vulnerabilities
- TI-2023-14886 Insufficient entropy vulnerability could lead to authentication bypass CVSS 3.1CRITICAL 9.8
- TI-2018-07489 XML external entity injection in Schweitzer Engineering Laboratories AcSELerator Architect CVSS 3.0CRITICAL 9.8
- TI-2017-05537 Improper access control in Schweitzer Engineering Laboratories, Inc. SEL-3620 and SEL-3622 CVSS 3.0CRITICAL 10.0
- TI-2023-17218 Improper authentication could lead to session hijacking CVSS 3.1CRITICAL 9.8
- TI-2023-14885 Execution with Unnecessary Privileges CVSS 3.1CRITICAL 9.8
- TI-2023-14859 Improper Input Validation in Web Interface CVSS 3.1CRITICAL 9.1
Sources
- CVE-2024-2103 · CVE Program
- CVE-2024-2103 · NVD
- FIRST EPSS
- GHSA-r596-ggc2-8m6g · GitHub Advisory Database · CC BY 4.0
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