Detections
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Schweitzer Engineering Laboratories RTAC Improper Certificate Validation (CVE-2023-31151)

medium Tenable OT Security Plugin ID 501171

Synopsis

The remote OT asset is affected by a 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.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://selinc.com/support/security-notifications/external-reports/

https://www.nozominetworks.com/blog/

Plugin Details

Severity: Medium

ID: 501171

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 6/5/2023

Updated: 8/24/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2023-31151

CVSS v3

Risk Factor: Medium

Base Score: 4.2

Temporal Score: 3.7

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:selinc:sel-3555_firmware, cpe:/o:selinc:sel-3532_firmware, cpe:/o:selinc:sel-2241_rtac_module_firmware, cpe:/o:selinc:sel-3350_firmware, cpe:/o:selinc:sel-3505-3_firmware, cpe:/o:selinc:sel-3505_firmware, cpe:/o:selinc:sel-3560e_firmware, cpe:/o:selinc:sel-3530_firmware, cpe:/o:selinc:sel-3560s_firmware, cpe:/o:selinc:sel-3530-4_firmware

Required KB Items: Tenable.ot/SEL

Exploit Ease: No known exploits are available

Patch Publication Date: 5/10/2023

Vulnerability Publication Date: 5/10/2023

Reference Information

CVE: CVE-2023-31151

CWE: 295