CVE-2023-31152

Name: CVE-2023-31152
Creator: NVD / NIST
Published: 2023-05-10T20:15:10.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2023-31152 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An Authentication Bypass Using an Alternate Path or Channel vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface allows Authentication Bypass. See SEL Service Bulletin dated 2022-11-15 for more details. . EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

An Authentication Bypass Using an Alternate Path or Channel vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface allows Authentication Bypass. See SEL Service Bulletin dated 2022-11-15 for more details.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.36%

27.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Selinc	Sel-2241 Rtac Module Firmware	>= r147-v0, < r150-v2
Selinc	Sel-3350 Firmware	>= r148-v0, < r150-v2
Selinc	Sel-3505 Firmware	>= r147-v0, < r150-v2
Selinc	Sel-3505-3 Firmware	>= r147-v0, < r150-v2
Selinc	Sel-3530 Firmware	>= r147-v0, < r150-v2
Selinc	Sel-3530-4 Firmware	>= r147-v0, < r150-v2
Selinc	Sel-3532 Firmware	>= r147-v0, < r150-v2
Selinc	Sel-3555 Firmware	>= r147-v0, < r150-v2
Selinc	Sel-3560e Firmware	>= r147-v0, < r150-v2
Selinc	Sel-3560s Firmware	>= r147-v0, < r150-v2

References

https://selinc.com/support/security-notifications/external-reports/Vendor Advisory
https://www.nozominetworks.com/blog/Third Party Advisory
https://selinc.com/support/security-notifications/external-reports/Vendor Advisory
https://www.nozominetworks.com/blog/Third Party Advisory

Timeline

Published: May 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31152?

How severe is CVE-2023-31152?

CVE-2023-31152 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31152?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-31152?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST