CVE-2023-39979

MXsecurity Authentication Bypass

Description

There is a vulnerability in MXsecurity versions prior to 1.0.1 that can be exploited to bypass authentication. A remote attacker might access the system if the web service authenticator has insufficient random values.  

Remediation

Solution:

  • Moxa has developed appropriate solution to address the vulnerability. The solution for affected product is shown below. * MXsecurity: Please upgrade to software v1.1.0 or higher.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory moxa.com
Affected: Moxa MXsecurity Series
Published at:
Updated at:

References

Link Tags
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230403-mxsecurity-series-multiple-vulnerabilities vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-39979?
CVE-2023-39979 has been scored as a critical severity vulnerability.
How to fix CVE-2023-39979?
To fix CVE-2023-39979: Moxa has developed appropriate solution to address the vulnerability. The solution for affected product is shown below. * MXsecurity: Please upgrade to software v1.1.0 or higher.
Is CVE-2023-39979 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-39979 is being actively exploited. 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-2023-39979?
CVE-2023-39979 affects Moxa MXsecurity Series.
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