CVSS Score of 10 (low)


Published Nov 30, 2023
Updated: Dec 6, 2023


CVE-2023-34390 is an input validation vulnerability in the Schweitzer Engineering Laboratories SEL-451. It affects multiple products including tsw49I, tsw489, tsw48-, tsw48_, tsw49A, tsw49B, tsw49C, tsw49D, tsw49E, tsw49F, tsw49G, and tsw49H. This vulnerability could be exploited by a remote authenticated attacker to create a denial of service against the system and lock out services. The vulnerability has a base severity rating of MEDIUM and an availability impact of HIGH. To remediate this vulnerability, users are advised to refer to the product Instruction Manual Appendix A dated 20230830 for more details.


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