// For flags

CVE-2021-22667

Advantech BB-ESWGP506-2SFP-T Use of Hard-coded Credentials Remote Code Execution Vulnerability

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

BB-ESWGP506-2SFP-T versions 1.01.09 and prior is vulnerable due to the use of hard-coded credentials, which may allow an attacker to gain unauthorized access and permit the execution of arbitrary code on the BB-ESWGP506-2SFP-T (versions 1.01.01 and prior).

BB-ESWGP506-2SFP-T versiones 1.01.09 y anteriores, es vulnerable debido al uso de credenciales embebidas, lo que puede permitir a un atacante conseguir acceso no autorizado y permitir una ejecución de código arbitraria en BB-ESWGP506-2SFP-T (versiones 1.01.01 y anteriores)

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech BB-ESWGP506-2SFP-T industrial switches. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the telnet service, which listens on TCP port 23 by default. The service contains a hard-coded password for the administrator user account. An attacker can leverage this vulnerability to execute code in the context of the administrator user.

*Credits: Anonymous
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-05 CVE Reserved
  • 2021-02-24 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-09-03 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • 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
Advantech
Search vendor "Advantech"
 Bb-eswgp506-2sfp-t Firmware
Search vendor "Advantech" for product "Bb-eswgp506-2sfp-t Firmware"
 <= 1.01.09
Search vendor "Advantech" for product "Bb-eswgp506-2sfp-t Firmware" and version " <= 1.01.09"
-
Affected
in Advantech
Search vendor "Advantech"
 Bb-eswgp506-2sfp-t
Search vendor "Advantech" for product "Bb-eswgp506-2sfp-t"
--
Safe