CVE-2021-20505

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

4.4

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.10%

Vendor Advisory ibmcloud.com Vendor Advisory ibm.com

Affected: IBM PowerVM Hypervisor

References

Link	Tags
https://www.ibm.com/support/pages/node/6475619	vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/198232	vdb entry vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-20505?: CVE-2021-20505 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20505?: To fix CVE-2021-20505, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20505 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-20505 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20505?: CVE-2021-20505 affects IBM PowerVM Hypervisor.

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