CVE-2023-5627 Incorrect Implementation of Authentication Algorithm Vulnerability

High 7.5 Published Updated

Attackers can bypass authentication to gain unauthorized access to the web service of Moxa NPort 6000 devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-5627?

CVE-2023-5627 is a high-severity authentication bypass vulnerability in Moxa NPort 6000 Series, published on 1 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been identified in NPort 6000 Series, making the authentication mechanism vulnerable. This vulnerability arises from the incorrect implementation of sensitive information protection, potentially allowing malicious users to gain unauthorized access to the web service.

Weakness: CWE-287, CWE-327, CWE-303, CWE-257

Which versions are affected by CVE-2023-5627?

It affects 27 products.

Products include Moxa Nport 6150-T Firmware, Moxa Nport 6150 Firmware, Moxa Nport 6250-M-Sc-T Firmware, Moxa Nport 6250-M-Sc Firmware, Moxa Nport 6250-S-Sc-T Firmware, Moxa Nport 6250-S-Sc Firmware and 21 more.

How do I fix CVE-2023-5627?

No fix has been published for CVE-2023-5627 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-5627 being exploited?

There is no known exploitation of CVE-2023-5627 in the wild and no public exploit code.

Sources

Also known as GHSA-7477-pxvj-g72x.

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