Philips Patient Information Center iX (PIC iX) and Efficia CM Series Use of Hard-coded Cryptographic Key

published 2021-12-27 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30481

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits: 0; none known

The use of a hard-coded cryptographic key significantly increases the possibility encrypted data may be recovered from the Patient Information Center iX (PIC iX) Versions B.02, C.02, and C.03.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSMA-21-322-02 updated 2021-11-18 cvss 6.1

Philips Patient Information Center iX (PIC iX) and Efficia CM Series

Philips Efficia CM Series A.01 <= C.0x, 4.0 Philips Patient Information Center iX (PIC iX) B.02, C.02, C.03
affected: vendor fix, mitigation “As an interim mitigation, Philips recommends the following actions outlined in the Philips Patient Monitoring System Security for Clinical Networks guide at InCenter.” incenter.medical.philips.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

Philips Patient Information Center iX (PIC iX)

Classification

Weakness

CWE-321 Use of Hard-coded Cryptographic Key

References

cisa.gov /uscert/ics/advisories/icsma-21-322-02
third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-43552
NVD CVE-2021-43552

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary