CVE-2024-43687

Public Exploit
XSS vulnerability in bannerconfig endpoint in TimeProvider 4100

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Microchip TimeProvider 4100 (banner config modules) allows Cross-Site Scripting (XSS).This issue affects TimeProvider 4100: from 1.0 before 2.4.7.

Remediation

Solution:

  • Separate the access to the management port and the timing service ports into separate networks with appropriate access controls.

Workaround:

  • It is important to note that the web interface is only available on a physically separate management port and these vulnerabilities have no impact on the timing service ports. For added security, users have the option to disable the web interface, further protecting the device from potential web-based exploitation.

Category

7.7
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.15%
Vendor Advisory microchip.com
Affected: Microchip TimeProvider 4100
Published at:
Updated at:

References

Link Tags
https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-grandmaster-stored-xss-vulnerability-in-banner vendor advisory
https://www.gruppotim.it/it/footer/red-team.html third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2024-43687?
CVE-2024-43687 has been scored as a high severity vulnerability.
How to fix CVE-2024-43687?
To fix CVE-2024-43687: Separate the access to the management port and the timing service ports into separate networks with appropriate access controls.
Is CVE-2024-43687 being actively exploited in the wild?
It is possible that CVE-2024-43687 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-43687?
CVE-2024-43687 affects Microchip TimeProvider 4100.
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