CVE-2021-26581

MEDIUM
6.5
CVSS Score
Published: April 1, 2021 at 06:42 PM UTC
Updated: June 17, 2026 at 03:43 AM UTC
2 products affected across 1 vendorSuperdome Flex Server FirmwareSuperdome Flex Server

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.9%

Description

A potential security vulnerability has been identified in HPE Superdome Flex server. A denial of service attack can be remotely exploited leaving hung connections to the BMC web interface. The monarch BMC must be rebooted to recover from this situation. Other BMC management is not impacted. HPE has made the following software update to resolve the vulnerability in HPE Superdome Flex Server: Superdome Flex Server Firmware 3.30.142 or later.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.30.142
Affected range stops below 3.30.142, so it looks safe — our inference, not a vendor statement
hpe-superdome-flex-server (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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