CVE-2023-31176
Insufficient entropy vulnerability could lead to authentication bypass
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
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.
Una vulnerabilidad de entropía insuficiente en Schweitzer Engineering Laboratories SEL-451 podría permitir que un atacante remoto no autenticado utilice tokens de sesión de fuerza bruta y eluda la autenticación. Consulte el Apéndice A del Manual de instrucciones del producto con fecha 20230830 para obtener más detalles.
*Credits:
Andrea Palanca and Gabriele Quagliarella of Nozomi Networks
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-04-24 CVE Reserved
- 2023-11-30 CVE Published
- 2023-12-06 EPSS Updated
- 2024-10-16 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-331: Insufficient Entropy
CAPEC
- CAPEC-115: Authentication Bypass
References (2)
| URL | Tag | Source |
|---|---|---|
| https://www.nozominetworks.com/blog | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://selinc.com/support/security-notifications/external-reports | 2023-12-06 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | >= r315-v0 < r315-v4 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r315-v0 < r315-v4" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | >= r316-v0 < r316-v4 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r316-v0 < r316-v4" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | >= r317-v0 < r317-v4 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r317-v0 < r317-v4" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | >= r318-v0 < r318-v5 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r318-v0 < r318-v5" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | >= r320-v0 < r320-v3 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r320-v0 < r320-v3" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | >= r321-v0 < r321-v3 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r321-v0 < r321-v3" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | >= r322-v0 < r322-v3 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r322-v0 < r322-v3" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | >= r323-v0 < r323-v5 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r323-v0 < r323-v5" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | >= r324-v0 < r324-v4 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r324-v0 < r324-v4" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | >= r325-v0 < r325-v3 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r325-v0 < r325-v3" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | r326-v0 Search vendor "Selinc" for product "Sel-451 Firmware" and version "r326-v0" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|
| Selinc Search vendor "Selinc" | Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware" | r327-v0 Search vendor "Selinc" for product "Sel-451 Firmware" and version "r327-v0" | - |
Affected
| in | Selinc Search vendor "Selinc" | Sel-451 Search vendor "Selinc" for product "Sel-451" | - | - |
Safe
|