// For flags

CVE-2021-4228

Hard-coded TLS Certificate

Severity Score

7.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Use of hard-coded TLS certificate by default allows an attacker to perform Man-in-the-Middle (MitM) attacks even in the presence of the HTTPS connection. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.00.0.

Un uso del certificado TLS embebido por defecto permite a un atacante llevar a cabo ataques de tipo Man-in-the-Middle (MitM) incluso en presencia de la conexión HTTPS. Este problema afecta: Lanner Inc IAC-AST2500A versión de firmware estándar 1.00.0

*Credits: Andrea Palanca of Nozomi Networks found this bug during a security research activity.
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-05-13 CVE Reserved
  • 2022-10-24 CVE Published
  • 2024-05-16 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-321: Use of Hard-coded Cryptographic Key
  • CWE-798: Use of Hard-coded Credentials
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Lannerinc
Search vendor "Lannerinc"
Iac-ast2500 Firmware
Search vendor "Lannerinc" for product "Iac-ast2500 Firmware"
1.00.0
Search vendor "Lannerinc" for product "Iac-ast2500 Firmware" and version "1.00.0"
-
Affected
in Lannerinc
Search vendor "Lannerinc"
Iac-ast2500
Search vendor "Lannerinc" for product "Iac-ast2500"
--
Safe