CVE-2025-0159

IBM FlashSystem authentication bypass

9.1 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.85%Up 0.8 points since Mar 1, 2025

What each source reports

CVE List Score used 9.1

IBM FlashSystem authentication bypass

Record: CVE-2025-0159
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-288
Updated: 2026-11-02

EUVDEUVD-2025-5928 9.1

Record: EUVD-2025-5928
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-qwf3-8j2h-jw5h 9.1

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...

Record: GHSA-qwf3-8j2h-jw5h
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-288
Updated: 2026-11-02

NVD 9.1

Record: CVE-2025-0159
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-288, CWE-306
Updated: 2026-11-02

Affected products

ibm storage virtualize

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-0159 is a critical vulnerability (CVSS 9.1) in Ibm Storage Virtualize, published February 28, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.