CVE-2023-31149 | Improper Input Validation in Web Interface

An Improper Input Validation vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface could allow a remote authenticated attacker to execute arbitrary code. See SEL Service Bulletin dated 2022-11-15 for more details.

Published: 2023-05-10 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-31149 is rated Moderate Risk (57/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.09%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-31149

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.79% 1.09% -0.71%
2 2026-06-06 1.35% 1.79% +0.44%
3 2026-05-12 — 1.35% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-31149

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.3 6.0 [email protected]
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]

Weakness enumeration for CVE-2023-31149

Affected software / configurations for CVE-2023-31149

Vendor Product Version Raw CPE
selinc sel-2241_rtac_module_firmware >= r132-v0, < r150-v2 cpe:2.3:o:selinc:sel-2241_rtac_module_firmware:*:*:*:*:*:*:*:*
selinc sel-3350_firmware >= r148-v0, < r150-v2 cpe:2.3:o:selinc:sel-3350_firmware:*:*:*:*:*:*:*:*
selinc sel-3505_firmware >= r132-v0, < r150-v2 cpe:2.3:o:selinc:sel-3505_firmware:*:*:*:*:*:*:*:*
selinc sel-3505-3_firmware >= r132-v0, < r150-v2 cpe:2.3:o:selinc:sel-3505-3_firmware:*:*:*:*:*:*:*:*
selinc sel-3530_firmware >= r132-v0, < r150-v2 cpe:2.3:o:selinc:sel-3530_firmware:*:*:*:*:*:*:*:*
selinc sel-3530-4_firmware >= r132-v0, < r150-v2 cpe:2.3:o:selinc:sel-3530-4_firmware:*:*:*:*:*:*:*:*
selinc sel-3532_firmware >= r132-v0, < r150-v2 cpe:2.3:o:selinc:sel-3532_firmware:*:*:*:*:*:*:*:*
selinc sel-3555_firmware >= r134-v0, < r150-v2 cpe:2.3:o:selinc:sel-3555_firmware:*:*:*:*:*:*:*:*
selinc sel-3560e_firmware >= r144-v2, < r150-v2 cpe:2.3:o:selinc:sel-3560e_firmware:*:*:*:*:*:*:*:*
selinc sel-3560s_firmware >= r144-v2, < r150-v2 cpe:2.3:o:selinc:sel-3560s_firmware:*:*:*:*:*:*:*:*

References for CVE-2023-31149

cvelogic Threat Intelligence