CVSS Score of 10 (low)


Published Nov 30, 2023
Updated: Dec 6, 2023
CWE ID 287


CVE-2023-34388 is an Improper Authentication vulnerability found in the Schweitzer Engineering Laboratories SEL-451. This vulnerability could potentially allow a remote unauthenticated attacker to perform a session hijacking attack and bypass authentication. The affected products include various versions of SEL-451 (tsw49I, tsw489, tsw48-, tsw48_, tsw49A, tsw49B, tsw49C, tsw49D, tsw49E, tsw49F, tsw49G, and tsw49H). To remediate the vulnerability, users are advised to refer to the product Instruction Manual Appendix A dated 20230830 for more details. The potential danger posed by this vulnerability is rated as critical with a base score of 9.8 according to NIST's CVSS rating system.


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