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CVE-2021-20505
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
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.
CVSSv2.0 Score
- Severity
- Low
- Base Score
- 3.5/10
- Exploit Score
- 6.8/10
- Access Vector
- Network
- Access Complexity
- Medium
- Authentication Required
- Single
- Impact Score
- 2.9/10
- Confidentiality Impact
- Partial
- Availability Impact
- None
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 4.4/10
- Exploit Score
- 0.7/10
- Access Vector
- Network
- Access Complexity
- High
- Privileges Required
- High
- Impact Score
- 3.6/10
- Confidentiality Impact
- High
- Availability Impact
- None
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:ibm:powervm_hypervisor:fw930:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:ibm:powervm_hypervisor:fw940:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:ibm:powervm_hypervisor:fw950:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:ibm:powervm_hypervisor:fw920:*:*:*:*:*:*:* |
Yes
|
- | - |