CVE Vulnerabilities

CVE-2023-31176

Insufficient Entropy

Published: Nov 30, 2023 | Modified: Dec 06, 2023
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

An Insufficient Entropy vulnerability in the Schweitzer Engineering Laboratories SEL-451 could allow an unauthenticated remote attacker to brute-force session tokens and bypass authentication. 

See product Instruction Manual Appendix A dated 20230830 for more details.

Weakness

The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.

Affected Software

Name Vendor Start Version End Version
Sel-451_firmware Selinc r315-v0 (including) r315-v4 (excluding)
Sel-451_firmware Selinc r316-v0 (including) r316-v4 (excluding)
Sel-451_firmware Selinc r317-v0 (including) r317-v4 (excluding)
Sel-451_firmware Selinc r318-v0 (including) r318-v5 (excluding)
Sel-451_firmware Selinc r320-v0 (including) r320-v3 (excluding)
Sel-451_firmware Selinc r321-v0 (including) r321-v3 (excluding)
Sel-451_firmware Selinc r322-v0 (including) r322-v3 (excluding)
Sel-451_firmware Selinc r323-v0 (including) r323-v5 (excluding)
Sel-451_firmware Selinc r324-v0 (including) r324-v4 (excluding)
Sel-451_firmware Selinc r325-v0 (including) r325-v3 (excluding)
Sel-451_firmware Selinc r326-v0 (including) r326-v0 (including)
Sel-451_firmware Selinc r327-v0 (including) r327-v0 (including)

Potential Mitigations

References