CVE-2023-31161

Name: CVE-2023-31161
Creator: NVD / NIST
Published: 2023-05-10T20:15:11.08+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2023-31161 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

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.

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

0.54%

41.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Selinc	Sel-3350 Firmware	>= r148-v0, < r150-v2
Selinc	Sel-3532 Firmware	>= r143-v0, < r150-v2
Selinc	Sel-3555 Firmware	>= r143-v0, < r150-v2
Selinc	Sel-3560e Firmware	>= r144-v2, < r150-v2
Selinc	Sel-3560s Firmware	>= r144-v2, < 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-2023-31161?

How severe is CVE-2023-31161?

CVE-2023-31161 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31161?

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-2023-31161?

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

Scan your code now

Source: NVD / NIST