How severe is CVE-2020-24636?

CVE-2020-24636 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-24636 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-2020-24636?

CVE-2020-24636 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-2020-24636?

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

When was CVE-2020-24636 published?

CVE-2020-24636 was published on 2021-03-29 and last updated on 2026-06-17.

CVE-2020-24636

CVE-2020-24636 is a critical-severity vulnerability in Arubanetworks Instant with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Arubanetworks Instant
Published: 2021-03-29
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: 8.6.0.5 and below; Aruba Instant 8.7.x: 8.7.0.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.

Frequently asked questions

What is CVE-2020-24636?: 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: 8.6.0.5 and below; Aruba Instant 8.7.x: 8.7.0.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.
How severe is CVE-2020-24636?: CVE-2020-24636 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-24636 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-2020-24636?: CVE-2020-24636 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-2020-24636?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-24636 published?: CVE-2020-24636 was published on 2021-03-29 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:*:*:*:*:*:*:*:*

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