Two vulnerabilities in ArubaOS GRUB2 implementation allows for an attacker to bypass secureboot.

published 2020-12-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-17353

cvss: 7.2; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

Two vulnerabilities in ArubaOS GRUB2 implementation allows for an attacker to bypass secureboot. Successful exploitation of this vulnerability this could lead to remote compromise of system integrity by allowing an attacker to load an untrusted or modified kernel in Aruba 9000 Gateway; Aruba 7000 Series Mobility Controllers; Aruba 7200 Series Mobility Controllers version(s): 2.1.0.1, 2.2.0.0 and below; 6.4.4.23, 6.5.4.17, 8.2.2.9, 8.3.0.13, 8.5.0.10, 8.6.0.5, 8.7.0.0 and below ; 6.4.4.23, 6.5.4.17, 8.2.2.9, 8.3.0.13, 8.5.0.10, 8.6.0.5, 8.7.0.0 and below.

Patch / fix

fixed in 2

arubanetworks sd-wan 2.1.0.2, 2.2.0.1
arubanetworks arubaos 8.5.0.11, 8.6.0.6, 8.7.1.0

Exploit prediction

1.57% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

n/a Aruba 9000 Gateway
n/a Aruba 7000 Series Mobility Controllers
n/a Aruba 7200 Series Mobility Controllers

References

support.hpe.com /hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbnw04072en_us
vendor-advisory

Sources

CVE List CVE-2020-24637
NVD CVE-2020-24637

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.

Summary