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CVE-2021-20505

Quick assessment

Affected
IBM PowerVM Hypervisor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM Power System是美国IBM公司的一款基于Power处理器的服务器计算机。 IBM Power System 存在安全漏洞，该漏洞可能危及PowerVM逻辑分区迁移(LPM)加密密钥交换协议。如果攻击者可利用该漏洞能够捕获加密的LPM网络流量，并且能够获得对FSP的服务访问权，那么他们可以使用该信息执行一系列PowerVM服务过程来解密捕获的迁移流量

AI Predicted 5.9 Difficulty: Hard EPSS 0.55% · P44

Possible ATT&CK Techniques 2 AI

T1042 T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-20505

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Power System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Power System是美国IBM公司的一款基于Power处理器的服务器计算机。 IBM Power System 存在安全漏洞，该漏洞可能危及PowerVM逻辑分区迁移(LPM)加密密钥交换协议。如果攻击者可利用该漏洞能够捕获加密的LPM网络流量，并且能够获得对FSP的服务访问权，那么他们可以使用该信息执行一系列PowerVM服务过程来解密捕获的迁移流量
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM PowerVM Hypervisor FW920 -

II. Public POCs for CVE-2021-20505

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III. Intelligence Information for CVE-2021-20505

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Vendor Advisories for CVE-2021-20505 (2)

IV. Related Vulnerabilities

Same product: PowerVM Hypervisor
Same vendor: IBM

V. Comments for CVE-2021-20505

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