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Fencer Vulns
critical 9.8

CVE-2021-26588 json

A potential security vulnerability has been identified in HPE 3PAR StoreServ, HPE Primera Storage and HPE Alletra 9000 Storage array firmwa…

published 2021-10-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-13386

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

A potential security vulnerability has been identified in HPE 3PAR StoreServ, HPE Primera Storage and HPE Alletra 9000 Storage array firmware. An unauthenticated user could remotely exploit the low complexity issue to execute code as administrator. This vulnerability impacts completely the confidentiality, integrity, availability of the array. HPE has made the following software updates and mitigation information to resolve the vulnerability in 3PAR, Primera and Alletra 9000 firmware.

Exploit prediction

1.81% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a HP 3PAR StoreServ 10000 Storage; HP 3PAR StoreServ 7000 Storage; HPE 3PAR StoreServ 8000 Storage; HPE Primera 600 Storage; HPE 3PAR StoreServ 20000; HPE Alletra 9000; HPE 3PAR StoreServ 9000 Storage

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.