by Kastro
Paper/Archive/CVE-2023-31176

CVE-2023-31176

Schweitzer Engineering Laboratories SEL-451 — Insufficient entropy vulnerability could lead to authentication bypass

EPSS 0.9%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 60.5.605 × 2012.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
SEL-451R315-V0 – < R315-V4R315-V4CNA
SEL-451R316-V0 – < R316-V4R316-V4CNA
SEL-451R317-V0 – < R317-V4R317-V4CNA
SEL-451R318-V0 – < R318-V5R318-V5CNA
SEL-451R320-V0 – < R320-V3R320-V3CNA
SEL-451R321-V0 – < R321-V3R321-V3CNA
SEL-451R322-V0 – < R322-V3R322-V3CNA
SEL-451R323-V0 – < R323-V5R323-V5CNA
SEL-451R324-V0 – < R324-V4R324-V4CNA
SEL-451R325-V0 – < R325-V3R325-V3CNA
SEL-451R326-V0 – < R326-V1R326-V1CNA
SEL-451R327-V0 – < R327-V1R327-V1CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SEL (CNA)7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refselinc.com/support/security-notifications/external-reportsrefnozominetworks.com/blog