Is CVE-2021-43550 actively exploited?

No active exploitation of CVE-2021-43550 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-43550 be exploited remotely?

Partially. CVE-2021-43550 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2021-43550?

CVE-2021-43550 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2021-43550

CWE-327Published: December 27, 2021· Updated: Jun 17, 2026

6.5

CVSS v3.1

Official Description

The use of a broken or risky cryptographic algorithm is an unnecessary risk that may result in the exposure of sensitive information, which affects the communications between Patient Information Center iX (PIC iX) Versions C.02 and C.03 and Efficia CM Series Revisions A.01 to C.0x and 4.0.

NVD Source

Technical Analysis

CVE-2021-43550 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.