Improper Certificate Validation
Priority LOW 21CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-295.
Summary
An Improper Certificate Validation vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface could allow a remote unauthenticated attacker to conduct a man-in-the-middle (MitM) attack. See SEL Service Bulletin dated 2022-11-15 for more details.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00246 15th percentileScored 2026-11-07
Fix Fixed SEL-3505 (Schweitzer Engineering Laboratories): R150-V2, R149-V4, R148-V7 +1SEL-3505-3 (Schweitzer Engineering Laboratories): R150-V2, R149-V4, R148-V7 +1+8 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-3505 | R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3505-3 | R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3530 | R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3530-4 | R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3532 | R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3555 | R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3560S | R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3560E | R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-2241 RTAC module | R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3350 | R148-V0 to before R150-V2; R148-V0 to before R149-V4; R148-V0 to before R148-V7 | R150-V2, R149-V4, R148-V7 | Patch available | CNA |
- SEL-3505 VendorSchweitzer Engineering Laboratories Affected R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3505-3 VendorSchweitzer Engineering Laboratories Affected R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3530 VendorSchweitzer Engineering Laboratories Affected R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3530-4 VendorSchweitzer Engineering Laboratories Affected R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3532 VendorSchweitzer Engineering Laboratories Affected R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3555 VendorSchweitzer Engineering Laboratories Affected R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3560S VendorSchweitzer Engineering Laboratories Affected R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3560E VendorSchweitzer Engineering Laboratories Affected R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-2241 RTAC module VendorSchweitzer Engineering Laboratories Affected R147-V0 to before R150-V2; R147-V0 to before R149-V4; R147-V0 to before R148-V7; R147-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3350 VendorSchweitzer Engineering Laboratories Affected R148-V0 to before R150-V2; R148-V0 to before R149-V4; R148-V0 to before R148-V7 Fixed in R150-V2, R149-V4, R148-V7 Patch available CNA
CPE configurations NVD · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:selinc:sel-2241_rtac_module_firmware:*:*:*:*:*:*:*:* | r147-v0 to before r150-v2 | Vulnerable | Schweitzer Engineering Laboratories |
| cpe:2.3:h:selinc:sel-2241_rtac_module:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schweitzer Engineering Laboratories |
| cpe:2.3:o:selinc:sel-3350_firmware:*:*:*:*:*:*:*:* | r148-v0 to before r150-v2 | Vulnerable | Schweitzer Engineering Laboratories |
| cpe:2.3:h:selinc:sel-3350:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schweitzer Engineering Laboratories |
| cpe:2.3:o:selinc:sel-3505_firmware:*:*:*:*:*:*:*:* | r147-v0 to before r150-v2 | Vulnerable | Schweitzer Engineering Laboratories |
| cpe:2.3:h:selinc:sel-3505:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schweitzer Engineering Laboratories |
| cpe:2.3:o:selinc:sel-3505-3_firmware:*:*:*:*:*:*:*:* | r147-v0 to before r150-v2 | Vulnerable | Schweitzer Engineering Laboratories |
| cpe:2.3:h:selinc:sel-3505-3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schweitzer Engineering Laboratories |
| cpe:2.3:o:selinc:sel-3530_firmware:*:*:*:*:*:*:*:* | r147-v0 to before r150-v2 | Vulnerable | Schweitzer Engineering Laboratories |
| cpe:2.3:h:selinc:sel-3530:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schweitzer Engineering Laboratories |
- cpe:2.3:o:selinc:sel-2241_rtac_module_firmware:*:*:*:*:*:*:*:* Versions r147-v0 to before r150-v2 Vulnerable ·Schweitzer Engineering Laboratories
- cpe:2.3:h:selinc:sel-2241_rtac_module:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schweitzer Engineering Laboratories
- cpe:2.3:o:selinc:sel-3350_firmware:*:*:*:*:*:*:*:* Versions r148-v0 to before r150-v2 Vulnerable ·Schweitzer Engineering Laboratories
- cpe:2.3:h:selinc:sel-3350:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schweitzer Engineering Laboratories
- cpe:2.3:o:selinc:sel-3505_firmware:*:*:*:*:*:*:*:* Versions r147-v0 to before r150-v2 Vulnerable ·Schweitzer Engineering Laboratories
- cpe:2.3:h:selinc:sel-3505:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schweitzer Engineering Laboratories
- cpe:2.3:o:selinc:sel-3505-3_firmware:*:*:*:*:*:*:*:* Versions r147-v0 to before r150-v2 Vulnerable ·Schweitzer Engineering Laboratories
- cpe:2.3:h:selinc:sel-3505-3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schweitzer Engineering Laboratories
- cpe:2.3:o:selinc:sel-3530_firmware:*:*:*:*:*:*:*:* Versions r147-v0 to before r150-v2 Vulnerable ·Schweitzer Engineering Laboratories
- cpe:2.3:h:selinc:sel-3530:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schweitzer Engineering Laboratories
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:selinc:sel-3530-4_firmware:*:*:*:*:*:*:*:* | r147-v0 to before r150-v2 | Vulnerable | Schweitzer Engineering Laboratories |
| cpe:2.3:h:selinc:sel-3530-4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schweitzer Engineering Laboratories |
| cpe:2.3:o:selinc:sel-3532_firmware:*:*:*:*:*:*:*:* | r147-v0 to before r150-v2 | Vulnerable | Schweitzer Engineering Laboratories |
| cpe:2.3:h:selinc:sel-3532:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schweitzer Engineering Laboratories |
| cpe:2.3:o:selinc:sel-3555_firmware:*:*:*:*:*:*:*:* | r147-v0 to before r150-v2 | Vulnerable | Schweitzer Engineering Laboratories |
| cpe:2.3:h:selinc:sel-3555:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schweitzer Engineering Laboratories |
| cpe:2.3:o:selinc:sel-3560e_firmware:*:*:*:*:*:*:*:* | r147-v0 to before r150-v2 | Vulnerable | Schweitzer Engineering Laboratories |
| cpe:2.3:h:selinc:sel-3560e:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schweitzer Engineering Laboratories |
| cpe:2.3:o:selinc:sel-3560s_firmware:*:*:*:*:*:*:*:* | r147-v0 to before r150-v2 | Vulnerable | Schweitzer Engineering Laboratories |
| cpe:2.3:h:selinc:sel-3560s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schweitzer Engineering Laboratories |
- cpe:2.3:o:selinc:sel-3530-4_firmware:*:*:*:*:*:*:*:* Versions r147-v0 to before r150-v2 Vulnerable ·Schweitzer Engineering Laboratories
- cpe:2.3:h:selinc:sel-3530-4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schweitzer Engineering Laboratories
- cpe:2.3:o:selinc:sel-3532_firmware:*:*:*:*:*:*:*:* Versions r147-v0 to before r150-v2 Vulnerable ·Schweitzer Engineering Laboratories
- cpe:2.3:h:selinc:sel-3532:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schweitzer Engineering Laboratories
- cpe:2.3:o:selinc:sel-3555_firmware:*:*:*:*:*:*:*:* Versions r147-v0 to before r150-v2 Vulnerable ·Schweitzer Engineering Laboratories
- cpe:2.3:h:selinc:sel-3555:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schweitzer Engineering Laboratories
- cpe:2.3:o:selinc:sel-3560e_firmware:*:*:*:*:*:*:*:* Versions r147-v0 to before r150-v2 Vulnerable ·Schweitzer Engineering Laboratories
- cpe:2.3:h:selinc:sel-3560e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schweitzer Engineering Laboratories
- cpe:2.3:o:selinc:sel-3560s_firmware:*:*:*:*:*:*:*:* Versions r147-v0 to before r150-v2 Vulnerable ·Schweitzer Engineering Laboratories
- cpe:2.3:h:selinc:sel-3560s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schweitzer Engineering Laboratories
Remediation
- Fix · CNA SEL-3505 (Schweitzer Engineering Laboratories) Fixed in R150-V2, R149-V4, R148-V7, R147-V6
- Fix · CNA SEL-3505-3 (Schweitzer Engineering Laboratories) Fixed in R150-V2, R149-V4, R148-V7, R147-V6
- Fix · CNA SEL-3530 (Schweitzer Engineering Laboratories) Fixed in R150-V2, R149-V4, R148-V7, R147-V6
- Fix · CNA SEL-3530-4 (Schweitzer Engineering Laboratories) Fixed in R150-V2, R149-V4, R148-V7, R147-V6
- Fix · CNA SEL-3532 (Schweitzer Engineering Laboratories) Fixed in R150-V2, R149-V4, R148-V7, R147-V6
- Fix · CNA SEL-3555 (Schweitzer Engineering Laboratories) Fixed in R150-V2, R149-V4, R148-V7, R147-V6
- Fix · CNA SEL-3560S (Schweitzer Engineering Laboratories) Fixed in R150-V2, R149-V4, R148-V7, R147-V6
- Fix · CNA SEL-3560E (Schweitzer Engineering Laboratories) Fixed in R150-V2, R149-V4, R148-V7, R147-V6
- Fix · CNA SEL-2241 RTAC module (Schweitzer Engineering Laboratories) Fixed in R150-V2, R149-V4, R148-V7, R147-V6
- Fix · CNA SEL-3350 (Schweitzer Engineering Laboratories) Fixed in R150-V2, R149-V4, R148-V7
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Schweitzer Engineering Laboratories SEL-3505, SEL-3530 R147-V6, R148-V7 and 2 more versions
18 records Highest priority Priority MEDIUM 2 MEDIUM, 16 LOW
Other records, highest priority first
- TI-2023-14859 Improper Input Validation in Web InterfacePriority MEDIUM 43
- TI-2023-14858 Improper Input Validation in Web InterfacePriority MEDIUM 43
- TI-2023-14862 Authentication Bypass Using an Alternate Path or ChannelPriority LOW 38
- Release ·
Schweitzer Engineering Laboratories SEL-3350, SEL-3532 and 3 more products R147-V6, R148-V7 and 2 more versions
18 records Highest priority Priority MEDIUM 2 MEDIUM, 16 LOW
Other records, highest priority first
- TI-2023-14859 Improper Input Validation in Web InterfacePriority MEDIUM 43
- TI-2023-14858 Improper Input Validation in Web InterfacePriority MEDIUM 43
- TI-2023-14871 Improper Input Validation in Web InterfacePriority LOW 39
Show 1 more group
- Release ·
Schweitzer Engineering Laboratories SEL-2241 RTAC module, SEL-3505-3, SEL-3530-4 R147-V6, R148-V7 and 2 more versions
17 records Highest priority Priority MEDIUM 2 MEDIUM, 15 LOW
Other records, highest priority first
- TI-2023-14859 Improper Input Validation in Web InterfacePriority MEDIUM 43
- TI-2023-14858 Improper Input Validation in Web InterfacePriority MEDIUM 43
- TI-2023-14862 Authentication Bypass Using an Alternate Path or ChannelPriority LOW 38
Timeline
- 2026-10-02 Threatist record created from CVE-2023-31151
- 2026-10-03 Alias added: GHSA-vhfp-m358-h5g3
References
More Schweitzer Engineering Laboratories Sel-2241 Rtac Module Firmware vulnerabilities
- TI-2023-14859 Improper Input Validation in Web Interface CVSS 3.1CRITICAL 9.1
- TI-2023-14858 Improper Input Validation in Web Interface CVSS 3.1CRITICAL 9.1
- TI-2023-14862 Authentication Bypass Using an Alternate Path or Channel CVSS 3.1HIGH 8.8
- TI-2023-14860 Storing Passwords in a Recoverable Format CVSS 3.1HIGH 8.0
- TI-2023-02166 Channel Accessible by Non-Endpoint CVSS 3.1MEDIUM 6.8
- TI-2023-14875 Improper Neutralization of Input During Web Page Generation CVSS 3.1MEDIUM 5.4
Sources
- CVE-2023-31151 · CVE Program
- CVE-2023-31151 · NVD
- FIRST EPSS
- GHSA-vhfp-m358-h5g3 · GitHub Advisory Database · CC BY 4.0
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