9.8
CRITICAL CVSS 3.1
CVE-2021-37164
Swisslog Healthcare Nexus Panel Stack-Based Buffer Overflow
Description

A buffer overflow issue was discovered in HMI3 Control Panel in Swisslog Healthcare Nexus Panel operated by released versions of software before Nexus Software 7.2.5.7. In the tcpTxThread function, the received data is copied to a stack buffer. An off-by-3 condition can occur, resulting in a stack-based buffer overflow.

INFO

Published Date :

Aug. 2, 2021, 1:15 p.m.

Last Modified :

Nov. 21, 2024, 6:14 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2021-37164 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 Swisslog-healthcare hmi-3_control_panel_firmware
2 Swisslog-healthcare hmi-3_control_panel
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-37164 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-37164 weaknesses.

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-2021-37164 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-37164 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.armis.com/PwnedPiper
    Added Reference https://www.swisslog-healthcare.com
    Added Reference https://www.swisslog-healthcare.com/-/media/swisslog-healthcare/documents/customer-service/armis-documents/cve-2021-37164-bulletin---off-by-three-stack-overflow-in-tcptxthread.pdf?rev=daf615075c71484c8059c906872a51e6&hash=1FCC1A5D921E231D71E6B95A9AA8B741
    Added Reference https://www.swisslog-healthcare.com/en-us/customer-care/security-information/cve-disclosures#:~:text=CVE%20Disclosures%20%20%20%20Vulnerability%20Name%20%2C%20%20CVE-2021-37164%20%204%20more%20rows%20
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://www.swisslog-healthcare.com/en-us/customer-care/security-information/cve-disclosures#:~:text=CVE%20Disclosures%20%20%20%20Vulnerability%20Name%20%2C%20%20CVE-2021-37164%20%204%20more%20rows%20 [No types assigned]
    Removed Reference MITRE https://www.swisslog-healthcare.com/en-us/customer-care/security-information/cve-disclosures#:~:text=CVE%20Disclosures%20%20%20%20Vulnerability%20Name%20,%20%20CVE-2021-37164%20%204%20more%20rows%20
  • Initial Analysis by [email protected]

    Aug. 10, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/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.armis.com/PwnedPiper No Types Assigned https://www.armis.com/PwnedPiper Broken Link
    Changed Reference Type https://www.swisslog-healthcare.com No Types Assigned https://www.swisslog-healthcare.com Product
    Changed Reference Type https://www.swisslog-healthcare.com/-/media/swisslog-healthcare/documents/customer-service/armis-documents/cve-2021-37164-bulletin---off-by-three-stack-overflow-in-tcptxthread.pdf?rev=daf615075c71484c8059c906872a51e6&hash=1FCC1A5D921E231D71E6B95A9AA8B741 No Types Assigned https://www.swisslog-healthcare.com/-/media/swisslog-healthcare/documents/customer-service/armis-documents/cve-2021-37164-bulletin---off-by-three-stack-overflow-in-tcptxthread.pdf?rev=daf615075c71484c8059c906872a51e6&hash=1FCC1A5D921E231D71E6B95A9AA8B741 Vendor Advisory
    Changed Reference Type https://www.swisslog-healthcare.com/en-us/customer-care/security-information/cve-disclosures#:~:text=CVE%20Disclosures%20%20%20%20Vulnerability%20Name%20,%20%20CVE-2021-37164%20%204%20more%20rows%20 No Types Assigned https://www.swisslog-healthcare.com/en-us/customer-care/security-information/cve-disclosures#:~:text=CVE%20Disclosures%20%20%20%20Vulnerability%20Name%20,%20%20CVE-2021-37164%20%204%20more%20rows%20 Vendor Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:swisslog-healthcare:hmi-3_control_panel_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 7.2.5.7 OR cpe:2.3:h:swisslog-healthcare:hmi-3_control_panel:-:*:*:*:*:*:*:*
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.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

0.80 }} -0.39%

score

0.72810

percentile