Vulnerability · Published Nov 30, 2023 · Assigned by SEL

CVE-2023-31176Insufficient entropy vulnerability could lead to authentication bypass

High 7.5

In plain English

A high-severity security flaw in SEL-451 from Schweitzer Engineering Laboratories. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.9%top 39.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 products (as reported)

VendorProductVersions
Schweitzer Engineering Laboratories SEL-451 R315-V0 – before R315-V4R316-V0 – before R316-V4R317-V0 – before R317-V4R318-V0 – before R318-V5R320-V0 – before R320-V3R321-V0 – before R321-V3R322-V0 – before R322-V3R323-V0 – before R323-V5

Weakness: CWE-331 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References