How severe is CVE-2021-37723?

CVE-2021-37723 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-37723 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37723?

CVE-2021-37723 primarily affects Arubanetworks Arubaos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-37723?

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-2021-37723 published?

CVE-2021-37723 was published on 2021-09-07 and last updated on 2026-06-17.

CVE-2021-37723

CVE-2021-37723 is a high-severity vulnerability in Arubanetworks Arubaos with a CVSS 3.x base score of 7.2. 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-77.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Arubanetworks Arubaos
Published: 2021-09-07
Last modified: 2026-06-17

Description

A remote arbitrary command execution vulnerability was discovered in Aruba Operating System Software version(s): Prior to 8.7.1.2, 8.6.0.8, 8.5.0.12, 8.3.0.16. Aruba has released patches for ArubaOS that address this security vulnerability.

Frequently asked questions

What is CVE-2021-37723?: A remote arbitrary command execution vulnerability was discovered in Aruba Operating System Software version(s): Prior to 8.7.1.2, 8.6.0.8, 8.5.0.12, 8.3.0.16. Aruba has released patches for ArubaOS that address this security vulnerability.
How severe is CVE-2021-37723?: CVE-2021-37723 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-37723 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37723?: CVE-2021-37723 primarily affects Arubanetworks Arubaos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-37723?: 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-2021-37723 published?: CVE-2021-37723 was published on 2021-09-07 and last updated on 2026-06-17.

References

Affected products (2)

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

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