CVE-2023-34390

Improper input validation could lead to denial of service

Description

An input validation vulnerability in the Schweitzer Engineering Laboratories SEL-451 could allow a remote authenticated attacker to create a denial of service against the system and locking out services. See product Instruction Manual Appendix A dated 20230830 for more details.

Category

4.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.32%
Vendor Advisory selinc.com
Affected: Schweitzer Engineering Laboratories SEL-451
Published at:
Updated at:

References

Link Tags
https://selinc.com/support/security-notifications/external-reports/ vendor advisory
https://www.nozominetworks.com/blog/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-34390?
CVE-2023-34390 has been scored as a medium severity vulnerability.
How to fix CVE-2023-34390?
To fix CVE-2023-34390, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-34390 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-34390 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-34390?
CVE-2023-34390 affects Schweitzer Engineering Laboratories SEL-451.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.