CVE-2023-4976
FlashBlade Authentication Mechanism Vulnerability
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.
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
- High
Exploit likelihood
What each source reports
CVE List Score used
FlashBlade Authentication Mechanism Vulnerability
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.
- Record
CVE-2023-4976- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2023-54812
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.
- Record
EUVD-2023-54812- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-57c8-7jwm-wc5w
A flaw exists in Purity//FB whereby a local account is permitted to authenticate to the...
A flaw exists in Purity//FB 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.
- Record
GHSA-57c8-7jwm-wc5w- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-4976- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-4976 is a critical vulnerability (CVSS 9.3) in Purestorage Flashblade, published July 17, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. No source names a fixed version.