PT-2023-4653 · Unknown · Mxsecurity

Noam Moshe · Published 2023-09-01 · Updated 2023-09-07 · CVE-2023-39979

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions MXsecurity versions prior to 1.0.1

Description The issue is related to insufficient entropy in the web service authenticator, which can be exploited by a remote attacker to bypass authentication and potentially access the system. This is due to the web service having insufficient random values.

Recommendations For MXsecurity versions prior to 1.0.1, update to version 1.0.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the web service authenticator until a patch is available.

Fix

Missing Encryption of Sensitive Data

Use of Insufficiently Random Values

Weakness Enumeration

CWE-311

CWE-334

CWE-330

Related Identifiers

BDU:2023-05063

CVE-2023-39979

Affected Products

Mxsecurity

References · 8

• https://moxa.com/en/support/product-support/security-advisory/mpsa-230403-mxsecurity-series-multiple-vulnerabilities · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-39979 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-39979 · Security Note
• https://bdu.fstec.ru/vul/2023-05063 · Security Note
• https://t.me/cvenotify/57756 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1697984478717608255 · Twitter Post
• https://twitter.com/vuldb/status/1698041606476304808 · Twitter Post
• https://twitter.com/cracbot/status/1698214274261524704 · Twitter Post