6.5

CVE-2021-26581: hpe superdome_flex_server_firmware

CVSS: 6.5v3.1MediumModified
Published 01-04-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-26581 is a medium (CVSS 6.5) vulnerability in hpe superdome_flex_server_firmware. EPSS estimates a 0.84% chance of exploitation in the next 30 days, higher than 57.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.84%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.84%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.84% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.84%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Hpe1 product

1 vendor · 1 product

References

1 links