9.8
CRITICAL
CVE-2021-43935
Fortinet SSO Active Directory Authentication Bypass
Description

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.

INFO

Published Date :

Dec. 15, 2021, 7:15 p.m.

Last Modified :

Nov. 21, 2024, 6:30 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-43935 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Baxter welch_allyn_connex_cardio
2 Baxter welch_allyn_diagnostic_cardiology_suite
3 Baxter welch_allyn_rscribe_resting_ecg_system
4 Baxter welch_allyn_vision_express_holter_analysis_system
5 Baxter welch_allyn_hscribe_holter_analysis_system_firmware
6 Baxter welch_allyn_q-stress_cardiac_stress_testing_system_firmware
7 Baxter welch_allyn_xscribe_cardiac_stress_testing_system_firmware
8 Baxter welch_allyn_hscribe_holter_analysis_system
9 Baxter welch_allyn_q-stress_cardiac_stress_testing_system
10 Baxter welch_allyn_xscribe_cardiac_stress_testing_system
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-43935.

URL Resource
https://www.cisa.gov/uscert/ics/advisories/icsma-21-343-01 Mitigation Third Party Advisory US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsma-21-343-01 Mitigation Third Party Advisory US Government Resource

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-43935 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-43935 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/uscert/ics/advisories/icsma-21-343-01
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Jul. 25, 2022

    Action Type Old Value New Value
    Added CWE NIST CWE-287
  • Initial Analysis by [email protected]

    Dec. 21, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.cisa.gov/uscert/ics/advisories/icsma-21-343-01 No Types Assigned https://www.cisa.gov/uscert/ics/advisories/icsma-21-343-01 Mitigation, Third Party Advisory, US Government Resource
    Added CPE Configuration OR *cpe:2.3:a:baxter:welch_allyn_connex_cardio:*:*:*:*:*:*:*:* versions from (including) 1.0.0 up to (including) 1.1.1 *cpe:2.3:a:baxter:welch_allyn_diagnostic_cardiology_suite:2.1.0:*:*:*:*:*:*:* *cpe:2.3:a:baxter:welch_allyn_rscribe_resting_ecg_system:*:*:*:*:*:*:*:* versions from (including) 5.01 up to (including) 7.0.0 *cpe:2.3:a:baxter:welch_allyn_vision_express_holter_analysis_system:*:*:*:*:*:*:*:* versions from (including) 6.1.0 up to (including) 6.4.0
    Added CPE Configuration AND OR *cpe:2.3:o:baxter:welch_allyn_hscribe_holter_analysis_system_firmware:*:*:*:*:*:*:*:* versions from (including) 5.01 up to (including) 6.4.0 OR cpe:2.3:h:baxter:welch_allyn_hscribe_holter_analysis_system:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:baxter:welch_allyn_q-stress_cardiac_stress_testing_system_firmware:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (including) 6.3.1 OR cpe:2.3:h:baxter:welch_allyn_q-stress_cardiac_stress_testing_system:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:baxter:welch_allyn_xscribe_cardiac_stress_testing_system_firmware:*:*:*:*:*:*:*:* versions from (including) 5.01 up to (including) 6.3.1 OR cpe:2.3:h:baxter:welch_allyn_xscribe_cardiac_stress_testing_system:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.19 }} -0.02%

score

0.56531

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability