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IcscertCVE-2021-43935

HistoryDec 15, 2021 - 7:15 p.m.

CVE-2021-43935

2021-12-1519:15:15

CWE-287

CWE-288

icscert

web.nvd.nist.gov

cve-2021-43935

sso

authentication

vulnerability

access

privileges

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.002

Percentile

59.4%

JSON

The impacted products, when configured to use SSO, are affected by an improper authentication vulnerability. This vulnerability allows the application to accept manual entry of any active directory (AD) account provisioned in the application without supplying a password, resulting in access to the application as the supplied AD account, with all associated privileges.

Affected configurations

Nvd

Node

baxterwelch_allyn_connex_cardioRange1.0.0–1.1.1

baxterwelch_allyn_diagnostic_cardiology_suiteMatch2.1.0

baxterwelch_allyn_rscribe_resting_ecg_systemRange5.01–7.0.0

baxterwelch_allyn_vision_express_holter_analysis_systemRange6.1.0–6.4.0

Node

baxterwelch_allyn_hscribe_holter_analysis_system_firmwareRange5.01–6.4.0

AND

baxterwelch_allyn_hscribe_holter_analysis_systemMatch-

Node

baxterwelch_allyn_q-stress_cardiac_stress_testing_system_firmwareRange6.0.0–6.3.1

AND

baxterwelch_allyn_q-stress_cardiac_stress_testing_systemMatch-

Node

baxterwelch_allyn_xscribe_cardiac_stress_testing_system_firmwareRange5.01–6.3.1

AND

baxterwelch_allyn_xscribe_cardiac_stress_testing_systemMatch-

VendorProductVersionCPE
baxterwelch_allyn_connex_cardio*cpe:2.3:a:baxter:welch_allyn_connex_cardio:*:*:*:*:*:*:*:*
baxterwelch_allyn_diagnostic_cardiology_suite2.1.0cpe:2.3:a:baxter:welch_allyn_diagnostic_cardiology_suite:2.1.0:*:*:*:*:*:*:*
baxterwelch_allyn_rscribe_resting_ecg_system*cpe:2.3:a:baxter:welch_allyn_rscribe_resting_ecg_system:*:*:*:*:*:*:*:*
baxterwelch_allyn_vision_express_holter_analysis_system*cpe:2.3:a:baxter:welch_allyn_vision_express_holter_analysis_system:*:*:*:*:*:*:*:*
baxterwelch_allyn_hscribe_holter_analysis_system_firmware*cpe:2.3:o:baxter:welch_allyn_hscribe_holter_analysis_system_firmware:*:*:*:*:*:*:*:*
baxterwelch_allyn_hscribe_holter_analysis_system-cpe:2.3:h:baxter:welch_allyn_hscribe_holter_analysis_system:-:*:*:*:*:*:*:*
baxterwelch_allyn_q-stress_cardiac_stress_testing_system_firmware*cpe:2.3:o:baxter:welch_allyn_q-stress_cardiac_stress_testing_system_firmware:*:*:*:*:*:*:*:*
baxterwelch_allyn_q-stress_cardiac_stress_testing_system-cpe:2.3:h:baxter:welch_allyn_q-stress_cardiac_stress_testing_system:-:*:*:*:*:*:*:*
baxterwelch_allyn_xscribe_cardiac_stress_testing_system_firmware*cpe:2.3:o:baxter:welch_allyn_xscribe_cardiac_stress_testing_system_firmware:*:*:*:*:*:*:*:*
baxterwelch_allyn_xscribe_cardiac_stress_testing_system-cpe:2.3:h:baxter:welch_allyn_xscribe_cardiac_stress_testing_system:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
baxter	welch_allyn_connex_cardio	*	cpe:2.3:a:baxter:welch_allyn_connex_cardio::::::::
baxter	welch_allyn_diagnostic_cardiology_suite	2.1.0	cpe:2.3:a:baxter:welch_allyn_diagnostic_cardiology_suite:2.1.0:::::::*
baxter	welch_allyn_rscribe_resting_ecg_system	*	cpe:2.3:a:baxter:welch_allyn_rscribe_resting_ecg_system::::::::
baxter	welch_allyn_vision_express_holter_analysis_system	*	cpe:2.3:a:baxter:welch_allyn_vision_express_holter_analysis_system::::::::
baxter	welch_allyn_hscribe_holter_analysis_system_firmware	*	cpe:2.3:o:baxter:welch_allyn_hscribe_holter_analysis_system_firmware::::::::
baxter	welch_allyn_hscribe_holter_analysis_system	-	cpe:2.3:h:baxter:welch_allyn_hscribe_holter_analysis_system:-:::::::*
baxter	welch_allyn_q-stress_cardiac_stress_testing_system_firmware	*	cpe:2.3:o:baxter:welch_allyn_q-stress_cardiac_stress_testing_system_firmware::::::::
baxter	welch_allyn_q-stress_cardiac_stress_testing_system	-	cpe:2.3:h:baxter:welch_allyn_q-stress_cardiac_stress_testing_system:-:::::::*
baxter	welch_allyn_xscribe_cardiac_stress_testing_system_firmware	*	cpe:2.3:o:baxter:welch_allyn_xscribe_cardiac_stress_testing_system_firmware::::::::
baxter	welch_allyn_xscribe_cardiac_stress_testing_system	-	cpe:2.3:h:baxter:welch_allyn_xscribe_cardiac_stress_testing_system:-:::::::*

CNA Affected

[
  {
    "product": "Welch Allyn Q-Stress Cardiac Stress Testing System",
    "vendor": "Hillrom",
    "versions": [
      {
        "lessThanOrEqual": "6.3.1",
        "status": "affected",
        "version": "6.0.0",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Welch Allyn X-Scribe Cardiac Stress Testing System",
    "vendor": "Hillrom",
    "versions": [
      {
        "lessThanOrEqual": "6.3.1",
        "status": "affected",
        "version": "5.01",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Welch Allyn Diagnostic Cardiology Suite",
    "vendor": "Hillrom",
    "versions": [
      {
        "status": "affected",
        "version": "2.1.0"
      }
    ]
  },
  {
    "product": "Welch Allyn Vision Express",
    "vendor": "Hillrom",
    "versions": [
      {
        "lessThanOrEqual": "6.4.0",
        "status": "affected",
        "version": "6.1.0",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Welch Allyn H-Scribe Holter Analysis System",
    "vendor": "Hillrom",
    "versions": [
      {
        "lessThanOrEqual": "6.4.0",
        "status": "affected",
        "version": "5.01",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Welch Allyn R-Scribe Resting ECG System",
    "vendor": "Hillrom",
    "versions": [
      {
        "lessThanOrEqual": "7.0.0",
        "status": "affected",
        "version": "5.01",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Welch Allyn Connex Cardio",
    "vendor": "Hillrom",
    "versions": [
      {
        "lessThanOrEqual": "1.1.1",
        "status": "affected",
        "version": "1.0.0",
        "versionType": "custom"
      }
    ]
  }
]

References

www.cisa.gov/uscert/ics/advisories/icsma-21-343-01

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.002

Percentile

59.4%

JSON

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