CVE-2025-0159 IBM FlashSystem authentication bypass

Critical 9.1 Published 28 Feb 2025 Updated 26 Feb 2026

Remote attackers can bypass RPCAdapter endpoint authentication in IBM FlashSystem by sending crafted HTTP requests, requiring immediate patching.

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-2025-0159?

CVE-2025-0159 is a critical authentication bypass vulnerability in IBM Storage Virtualize, published on 28 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM FlashSystem (IBM Storage Virtualize (8.5.0.0 through 8.5.0.13, 8.5.1.0, 8.5.2.0 through 8.5.2.3, 8.5.3.0 through 8.5.3.1, 8.5.4.0, 8.6.0.0 through 8.6.0.5, 8.6.1.0, 8.6.2.0 through 8.6.2.1, 8.6.3.0, 8.7.0.0 through 8.7.0.2, 8.7.1.0, 8.7.2.0 through 8.7.2.1) could allow a remote attacker to bypass RPCAdapter endpoint authentication by sending a specifically crafted HTTP request.

Weakness: CWE-306, CWE-288

Which versions are affected by CVE-2025-0159?

It affects 1 product.

Products include Ibm Storage Virtualize.

How do I fix CVE-2025-0159?

No fix has been published for CVE-2025-0159 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-2025-0159 being exploited?

There is no known exploitation of CVE-2025-0159 in the wild and no public exploit code.

Sources

Also known as GHSA-qwf3-8j2h-jw5h.