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

7.5HIGH

Key Information:

Status
Vendor
CVE Published:
30 November 2023

What is CVE-2023-31176?

The SEL-451 by Schweitzer Engineering Laboratories is affected by an Insufficient Entropy vulnerability, which permits unauthenticated remote attackers to exploit weak session tokens. By leveraging this flaw, attackers can perform brute-force attacks to bypass authentication mechanisms, potentially leading to unauthorized access. Additional insights can be found in the product's Instruction Manual Appendix A dated 20230830.

Affected Version(s)

SEL-451 R315-V0

SEL-451 R316-V0

SEL-451 R317-V0

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Andrea Palanca and Gabriele Quagliarella of Nozomi Networks
.
CVE-2023-31176 : Insufficient entropy vulnerability could lead to authentication bypass