How severe is CVE-2021-37717?

CVE-2021-37717 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-2021-37717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37717?

CVE-2021-37717 primarily affects Arubanetworks Sd-wan. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-37717?

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-2021-37717 published?

CVE-2021-37717 was published on 2021-09-07 and last updated on 2026-06-17.

CVE-2021-37717

CVE-2021-37717 is a high-severity vulnerability in Arubanetworks Sd-wan 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% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Arubanetworks Sd-wan
Published: 2021-09-07
Last modified: 2026-06-17

Description

A remote arbitrary command execution vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.4-2.2.0.6; Prior to 8.7.1.4, 8.6.0.7, 8.5.0.12, 8.3.0.16. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.

Frequently asked questions

What is CVE-2021-37717?: A remote arbitrary command execution vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.4-2.2.0.6; Prior to 8.7.1.4, 8.6.0.7, 8.5.0.12, 8.3.0.16. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.
How severe is CVE-2021-37717?: CVE-2021-37717 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-2021-37717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37717?: CVE-2021-37717 primarily affects Arubanetworks Sd-wan. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-37717?: 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-2021-37717 published?: CVE-2021-37717 was published on 2021-09-07 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:arubanetworks:sd-wan:*:*:*:*:*:*:*:*
cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w1750d_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Arubanetworks Sd-wan

CVE-2023-22752 — Critical (CVSS 9.8): There are stack-based buffer overflow vulnerabilities that could lead to unauthenticated remote code execution by…
CVE-2023-22751 — Critical (CVSS 9.8): There are stack-based buffer overflow vulnerabilities that could lead to unauthenticated remote code execution by…
CVE-2023-22750 — Critical (CVSS 9.8): There are multiple command injection vulnerabilities that could lead to unauthenticated remote code execution by…
CVE-2023-22749 — Critical (CVSS 9.8): There are multiple command injection vulnerabilities that could lead to unauthenticated remote code execution by…
CVE-2023-22748 — Critical (CVSS 9.8): There are multiple command injection vulnerabilities that could lead to unauthenticated remote code execution by…
CVE-2023-22747 — Critical (CVSS 9.8): There are multiple command injection vulnerabilities that could lead to unauthenticated remote code execution by…

All CVEs affecting Arubanetworks Sd-wan →

Other CWE-77 (Command Injection) vulnerabilities

CVE-2026-23652 — Critical (CVSS 10.0): Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an…
CVE-2025-59818 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file…
CVE-2025-64093 — Critical (CVSS 10.0): Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the…
CVE-2025-64090 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute commands via the hostname of the device.
CVE-2025-61492 — Critical (CVSS 10.0): A command injection vulnerability in the execute_command function of terminal-controller-mcp 0.1.7 allows attackers to…
CVE-2025-10035 — Critical (CVSS 10.0): A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged…

Browse all CWE-77 (Command Injection) vulnerabilities →