CVE-2023-31151 - CVE House
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Status published Medium CVE-2023-31151

Improper Certificate Validation

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Andrea Palanca, Nozomi Networks

References

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Improper Control of Interaction Frequency
Medium 4.3
CVE-2025-48015
Observable Response Discrepancy
Low 3.7
CVE-2025-48014
Improper Restriction of Excessive Authentication Attempts
High 7.5

Affected Vendor

Schweitzer Engineering Laboratories

View all reports →

Affected Software

SEL-3505, SEL-3505-3, SEL-3530, SEL-3530-4, SEL-3532, SEL-3555, SEL-3560S, SEL-3560E, SEL-2241 RTAC module, SEL-3350
Vulnerable Versions:
R147-V0, R148-V0

Timeline

Official Publish: May 10th, 2023
Last Modified: January 24th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-295

MITRE ATT&CK TTPs

T1557 Adversary-in-the-Middle
Credential Access
T1040 Network Sniffing
Collection
T1552 Unsecured Credentials
Credential Access
T1071 Application Layer Protocol
Command and Control
T1565 Data Manipulation
Impact