// For flags

CVE-2021-32926

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

When an authenticated password change request takes place, this vulnerability could allow the attacker to intercept the message that includes the legitimate, new password hash and replace it with an illegitimate hash. The user would no longer be able to authenticate to the controller (Micro800: All versions, MicroLogix 1400: Version 21 and later) causing a denial-of-service condition

Cuando se produce una petición de cambio de contraseña autenticada, esta vulnerabilidad podría permitir al atacante interceptar el mensaje que incluye el hash legítimo de la nueva contraseña y reemplazarlo por un hash ilegítimo. El usuario ya no podría ser capaz de autenticarse en el controlador (Micro800: todas las versiones, MicroLogix 1400: versión 21 y posteriores), causando una condición de denegación de servicio

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-05-13 CVE Reserved
  • 2021-06-03 CVE Published
  • 2024-05-22 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-300: Channel Accessible by Non-Endpoint
CAPEC
References (1)
URL Tag Source
https://us-cert.cisa.gov/ics/advisories/icsa-21-145-02 Third Party Advisory
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Rockwellautomation
Search vendor "Rockwellautomation"
 Micro800 Firmware
Search vendor "Rockwellautomation" for product "Micro800 Firmware"
*-
Affected
in Rockwellautomation
Search vendor "Rockwellautomation"
 Micro800
Search vendor "Rockwellautomation" for product "Micro800"
--
Safe
Rockwellautomation
Search vendor "Rockwellautomation"
 Micrologix 1400 Firmware
Search vendor "Rockwellautomation" for product "Micrologix 1400 Firmware"
 >= 21.0
Search vendor "Rockwellautomation" for product "Micrologix 1400 Firmware" and version " >= 21.0"
-
Affected
in Rockwellautomation
Search vendor "Rockwellautomation"
 Micrologix 1400
Search vendor "Rockwellautomation" for product "Micrologix 1400"
--
Safe