// For flags

CVE-2021-20505

 

Severity Score

4.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The PowerVM Logical Partition Mobility(LPM) (PowerVM Hypervisor FW920, FW930, FW940, and FW950) encryption key exchange protocol can be compromised. If an attacker has the ability to capture encrypted LPM network traffic and is able to gain service access to the FSP they can use this information to perform a series of PowerVM service procedures to decrypt the captured migration traffic IBM X-Force ID: 198232

El protocolo de intercambio de claves de cifrado de PowerVM Logical Partition Mobility(LPM) (PowerVM Hypervisor FW920, FW930, FW940 y FW950) puede estar comprometido. Si un atacante tiene la habilidad de capturar el tráfico de red LPM encriptado y es capaz de conseguir acceso de servicio al FSP puede usar esta información para llevar a cabo una serie de procedimientos de servicio PowerVM para descifrar el tráfico de migración capturado. IBM X-Force ID: 198232

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-12-17 CVE Reserved
  • 2021-07-29 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Ibm
Search vendor "Ibm"
 Powervm Hypervisor
Search vendor "Ibm" for product "Powervm Hypervisor"
 fw920
Search vendor "Ibm" for product "Powervm Hypervisor" and version "fw920"
-
Affected
Ibm
Search vendor "Ibm"
 Powervm Hypervisor
Search vendor "Ibm" for product "Powervm Hypervisor"
 fw930
Search vendor "Ibm" for product "Powervm Hypervisor" and version "fw930"
-
Affected
Ibm
Search vendor "Ibm"
 Powervm Hypervisor
Search vendor "Ibm" for product "Powervm Hypervisor"
 fw940
Search vendor "Ibm" for product "Powervm Hypervisor" and version "fw940"
-
Affected
Ibm
Search vendor "Ibm"
 Powervm Hypervisor
Search vendor "Ibm" for product "Powervm Hypervisor"
 fw950
Search vendor "Ibm" for product "Powervm Hypervisor" and version "fw950"
-
Affected