CVE-2023-34388

MEDIUM

SEL-451 Firmware - Unauthenticated Session Hijacking via Improper Authentication

Title source: llm

Description

An Improper Authentication vulnerability in the Schweitzer Engineering Laboratories SEL-451 could allow a remote unauthenticated attacker to potentially perform session hijacking attack and bypass authentication. See product Instruction Manual Appendix A dated 20230830 for more details.

References (2)

Core 2

Core References

Vendor Advisory

https://selinc.com/support/security-notifications/external-reports/

Third Party Advisory

https://www.nozominetworks.com/blog/

Scores

CVSS v3 6.5

EPSS 0.0091

EPSS Percentile 55.4%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-287

Status published

Products (3)

selinc/sel-451_firmware r326-v0

selinc/sel-451_firmware r327-v0

selinc/sel-451_firmware r315-v0 - r315-v4

Published Nov 30, 2023

Tracked Since Feb 18, 2026