Improper Input Validation in Web Interface
Priority LOW 39CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An Improper Input Validation vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface could allow an authenticated remote attacker to use internal resources, allowing a variety of potential effects. 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 0.00543 45th percentileScored 2026-11-07
Fix Fixed SEL-3532 (Schweitzer Engineering Laboratories): R150-V2, R149-V4, R148-V7 +1SEL-3555 (Schweitzer Engineering Laboratories): R150-V2, R149-V4, R148-V7 +1+3 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-3532 | R143-V0 to before R150-V2; R143-V0 to before R149-V4; R143-V0 to before R148-V7; R143-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3555 | R143-V0 to before R150-V2; R143-V0 to before R149-V4; R143-V0 to before R148-V7; R143-V0 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3560S | R144-V2 to before R150-V2; R144-V2 to before R149-V4; R144-V2 to before R148-V7; R144-V2 to before R147-V6 | R150-V2, R149-V4, R148-V7, R147-V6 | Patch available | CNA |
| Schweitzer Engineering Laboratories | SEL-3560E | R144-V2 to before R150-V2; R144-V2 to before R149-V4; R144-V2 to before R148-V7; R144-V2 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-3532 VendorSchweitzer Engineering Laboratories Affected R143-V0 to before R150-V2; R143-V0 to before R149-V4; R143-V0 to before R148-V7; R143-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3555 VendorSchweitzer Engineering Laboratories Affected R143-V0 to before R150-V2; R143-V0 to before R149-V4; R143-V0 to before R148-V7; R143-V0 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3560S VendorSchweitzer Engineering Laboratories Affected R144-V2 to before R150-V2; R144-V2 to before R149-V4; R144-V2 to before R148-V7; R144-V2 to before R147-V6 Fixed in R150-V2, R149-V4, R148-V7, R147-V6 Patch available CNA
- SEL-3560E VendorSchweitzer Engineering Laboratories Affected R144-V2 to before R150-V2; R144-V2 to before R149-V4; R144-V2 to before R148-V7; R144-V2 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 · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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-3532_firmware:*:*:*:*:*:*:*:* | r143-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:*:*:*:*:*:*:*:* | r143-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:*:*:*:*:*:*:*:* | r144-v2 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:*:*:*:*:*:*:*:* | r144-v2 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-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-3532_firmware:*:*:*:*:*:*:*:* Versions r143-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 r143-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 r144-v2 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 r144-v2 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-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-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-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-2023-14862 Authentication Bypass Using an Alternate Path or ChannelPriority LOW 38
Timeline
- 2026-10-02 Threatist record created from CVE-2023-31161
- 2026-10-03 Alias added: GHSA-r3qm-hp4j-w68f
References
More Schweitzer Engineering Laboratories Sel-3350 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-2023-31161 · CVE Program
- CVE-2023-31161 · NVD
- FIRST EPSS
- GHSA-r3qm-hp4j-w68f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences