// For flags

CVE-2023-43551

Improper Authentication in Multi-Mode Call Processor

Severity Score

9.1
*CVSS v3.1

Exploit Likelihood

< 1%
*EPSS

Affected Versions

45
*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Cryptographic issue while performing attach with a LTE network, a rogue base station can skip the authentication phase and immediately send the Security Mode Command.

Problema criptográfico al realizar la conexión con una red LTE, una estación base no autorizada puede omitir la fase de autenticación y enviar inmediatamente el comando del modo de seguridad.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-09-19 CVE Reserved
  • 2024-06-03 CVE Published
  • 2024-08-02 CVE Updated
  • 2025-04-15 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-287: Improper Authentication
CAPEC
Affected Vendors, Products, and Versions (45)