How severe is CVE-2021-25150?

CVE-2021-25150 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-25150 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25150?

CVE-2021-25150 primarily affects Arubanetworks Instant. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-25150?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-25150 published?

CVE-2021-25150 was published on 2021-03-30 and last updated on 2026-06-17.

CVE-2021-25150

CVE-2021-25150 is a high-severity vulnerability in Arubanetworks Instant with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Arubanetworks Instant
Published: 2021-03-30
Last modified: 2026-06-17

Description

A remote execution of arbitrary commands vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.5.x: 6.5.4.17 and below; Aruba Instant 8.3.x: 8.3.0.13 and below; Aruba Instant 8.5.x: 8.5.0.10 and below; Aruba Instant 8.6.x: 8.6.0.4 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.

Frequently asked questions

What is CVE-2021-25150?: A remote execution of arbitrary commands vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.5.x: 6.5.4.17 and below; Aruba Instant 8.3.x: 8.3.0.13 and below; Aruba Instant 8.5.x: 8.5.0.10 and below; Aruba Instant 8.6.x: 8.6.0.4 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.
How severe is CVE-2021-25150?: CVE-2021-25150 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-25150 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25150?: CVE-2021-25150 primarily affects Arubanetworks Instant. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-25150?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-25150 published?: CVE-2021-25150 was published on 2021-03-30 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Arubanetworks Instant

CVE-2022-37891 — Critical (CVSS 9.8): Unauthenticated buffer overflow vulnerabilities exist within the Aruba InstantOS and ArubaOS 10 web management…
CVE-2022-37890 — Critical (CVSS 9.8): Unauthenticated buffer overflow vulnerabilities exist within the Aruba InstantOS and ArubaOS 10 web management…
CVE-2022-37889 — Critical (CVSS 9.8): There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote…
CVE-2022-37887 — Critical (CVSS 9.8): There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote…
CVE-2022-37886 — Critical (CVSS 9.8): There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote…
CVE-2022-37885 — Critical (CVSS 9.8): There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote…

All CVEs affecting Arubanetworks Instant →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →