CVE-2021-43550

lowpriority · track · 26OT risk · elevatedEPSS 0.002 · 14 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.23% (14th) EPSS
CVSS 3.3 · low
Is it mine?
12 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedEfficia CM Seriescisa_csaf_ot

    Philips released a remediation for CVE-2021-43548 in Q3 2021 in PIC iX C.03.06. Philips plans to remediate CVE-2021-43552 and CVE-2021-43550 by end of Q2 of 2023. Users should operate all Philips deployed and supported products within Philips authorized specifications, including Philips approved software, software configuration, system services, and security configuration.

  • FixedPatient Information Center iX (PIC iX)cisa_csaf_ot

    Philips released a remediation for CVE-2021-43548 in Q3 2021 in PIC iX C.03.06. Philips plans to remediate CVE-2021-43552 and CVE-2021-43550 by end of Q2 of 2023. Users should operate all Philips deployed and supported products within Philips authorized specifications, including Philips approved software, software configuration, system services, and security configuration.

  • MitigationEfficia CM Seriescisa_csaf_ot

    By default, patient information is not included in archives. When exporting archives that contain patient information, users should store information securely with strong access controls.

  • MitigationPatient Information Center iX (PIC iX)cisa_csaf_ot

    By default, patient information is not included in archives. When exporting archives that contain patient information, users should store information securely with strong access controls.

02

cvss

Technical severity, 0–10. One row per scoring source.

6.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–6.5

v2.03.3lowAV:A/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 6.5 · impact 2.9
v3.16.5mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6
v3.05.9mediumCVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:Nsecondary · CISA US
v3.15.9mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:Nsecondary · ENISA EU
v3.15.9mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:Nsecondary · ics-cert@hq.dhs.gov USexploitability 1.6 · impact 4.2
v3.16mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-327USprimaryCWE-327US
04

affected products (12)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSMA-21-322-02Philips Patient Information Center iX (PIC iX) and Efficia CM Series2021-11-18icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities may allow an attacker unauthorized access to data (including patient data) and create a denial of service resulting in temporary interruption of viewing physiological data at the central station. Exploitation does not enable modification or change to point-of-care devices.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otnvdNVDCVE.orgMITRE
published 2021-12-27modified 2026-06-17
09

references (7)

External citations — patches, advisories, analysis.

scry

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