CVE-2021-20505
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:S/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
9.7%
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
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| ibm | powervm_hypervisor | fw920 | cpe:2.3:o:ibm:powervm_hypervisor:fw920:*:*:*:*:*:*:* |
| ibm | powervm_hypervisor | fw930 | cpe:2.3:o:ibm:powervm_hypervisor:fw930:*:*:*:*:*:*:* |
| ibm | powervm_hypervisor | fw940 | cpe:2.3:o:ibm:powervm_hypervisor:fw940:*:*:*:*:*:*:* |
| ibm | powervm_hypervisor | fw950 | cpe:2.3:o:ibm:powervm_hypervisor:fw950:*:*:*:*:*:*:* |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:S/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
9.7%