CVE-2023-31161: Improper Input Validation in Web Interface

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-10 · updated 2026-06-17
Weakness: CWE-20

Description

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.

Affected products

Selinc Sel-3350 Firmware: from r148-v0 before r150-v2 — fixed in r150-v2
Selinc Sel-3532 Firmware: from r143-v0 before r150-v2 — fixed in r150-v2
Selinc Sel-3555 Firmware: from r143-v0 before r150-v2 — fixed in r150-v2
Selinc Sel-3560E Firmware: from r144-v2 before r150-v2 — fixed in r150-v2
Selinc Sel-3560S Firmware: from r144-v2 before r150-v2 — fixed in r150-v2

How to fix

Upgrade to a fixed version: Selinc Sel-3350 Firmware r150-v2; Selinc Sel-3532 Firmware r150-v2; Selinc Sel-3555 Firmware r150-v2; Selinc Sel-3560E Firmware r150-v2; Selinc Sel-3560S Firmware r150-v2. Check the vendor advisory for mitigations.

References

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