CVE-2023-4976 FlashBlade Authentication Mechanism Vulnerability

Critical 9.3 Published Updated

A local account can authenticate to the management interface via an unintended method, allowing attackers to gain privileged access to the array.

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-2023-4976?

CVE-2023-4976 is a critical authentication bypass vulnerability in PureStorage FlashBlade, published on 17 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw exists in FlashBlade whereby a local account is permitted to authenticate to the management interface using an unintended method that allows an attacker to gain privileged access to the array.

Weakness: CWE-269

Which versions are affected by CVE-2023-4976?

How do I fix CVE-2023-4976?

No fix has been published for CVE-2023-4976 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-2023-4976 being exploited?

There is no known exploitation of CVE-2023-4976 in the wild and no public exploit code.

Sources

Also known as GHSA-57c8-7jwm-wc5w.

Is CVE-2023-4976 in your software?

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