AUGUST 4, 2026
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Case File

CVE-2021-20505

MEDIUM · CVSS 4.4 EPSS 0.55%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-29 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.4. It affects Exchange.

CVE
CVE-2021-20505
Severity
MEDIUM
CVSS
4.4
EPSS
0.55%
Exchange

Original NVD 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

Related CVEs

Other vulnerabilities affecting the same vendor(s)