CVE-2021-43550

Name: CVE-2021-43550
Creator: NVD / NIST
Published: 2021-12-27T19:15:08.5+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2021-43550 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.22%

12.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Philips	Patient Information Center Ix	c.02
Philips	Patient Information Center Ix	c.03
Philips	Efficia Cm Firmware	>= a.01, <= c.0x
Philips	Efficia Cm Firmware	4.0

References

https://www.cisa.gov/uscert/ics/advisories/icsma-21-322-02Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsma-21-322-02Third Party Advisory, US Government Resource

Timeline

Published: Dec 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43550?

How severe is CVE-2021-43550?

CVE-2021-43550 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43550?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43550?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST