CVE-2023-30328 Auth bypass in n/a

Critical 9.8 Published Updated

Attackers can bypass authentication in the Shimo VPN Client helper tool on macOS by exploiting PID re-use vulnerabilities.

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-2023-30328?

CVE-2023-30328 is a critical authentication bypass vulnerability in n/a, published on 4 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue in the helper tool of Mailbutler GmbH Shimo VPN Client for macOS v5.0.4 allows attackers to bypass authentication via PID re-use.

Weakness: CWE-287

Which versions are affected by CVE-2023-30328?

It affects 1 product.

Products include Mailbutler Shimo.

How do I fix CVE-2023-30328?

No fix has been published for CVE-2023-30328 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-2023-30328 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-30328 exists.

Sources

Also known as GHSA-wjq5-7847-86xm.

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