Executive Summary

Informations
Name CVE-2021-20505 First vendor Publication 2021-07-29
Vendor Cve Last vendor Modification 2021-08-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Overall CVSS Score 4.4
Base Score 4.4 Environmental Score 4.4
impact SubScore 3.6 Temporal Score 4.4
Exploitabality Sub Score 0.7
 
Attack Vector Network Attack Complexity High
Privileges Required High User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:S/C:P/I:N/A:N)
Cvss Base Score 3.5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 6.8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20505

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 4

Sources (Detail)

Source Url
CONFIRM https://www.ibm.com/support/pages/node/6475619
XF https://exchange.xforce.ibmcloud.com/vulnerabilities/198232

Alert History

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Date Informations
2021-08-09 21:23:39
  • Multiple Updates
2021-07-30 21:23:09
  • Multiple Updates
2021-07-29 21:23:11
  • Multiple Updates
2021-07-29 17:22:51
  • First insertion