How severe is CVE-2023-37426?

CVE-2023-37426 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-37426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37426?

CVE-2023-37426 primarily affects Arubanetworks Edgeconnect Sd-wan Orchestrator. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-37426?

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-2023-37426 published?

CVE-2023-37426 was published on 2023-08-22 and last updated on 2026-06-17.

CVE-2023-37426

CVE-2023-37426 is a high-severity vulnerability in Arubanetworks Edgeconnect Sd-wan Orchestrator with a CVSS 3.x base score of 7.4. 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-798.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Arubanetworks Edgeconnect Sd-wan Orchestrator
Published: 2023-08-22
Last modified: 2026-06-17

Description

EdgeConnect SD-WAN Orchestrator instances prior to the versions resolved in this advisory were found to have shared static SSH host keys for all installations. This vulnerability could allow an attacker to spoof the SSH host signature and thereby masquerade as a legitimate Orchestrator host.

Frequently asked questions

What is CVE-2023-37426?: EdgeConnect SD-WAN Orchestrator instances prior to the versions resolved in this advisory were found to have shared static SSH host keys for all installations. This vulnerability could allow an attacker to spoof the SSH host signature and thereby masquerade as a legitimate Orchestrator host.
How severe is CVE-2023-37426?: CVE-2023-37426 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-37426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37426?: CVE-2023-37426 primarily affects Arubanetworks Edgeconnect Sd-wan Orchestrator. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-37426?: 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-2023-37426 published?: CVE-2023-37426 was published on 2023-08-22 and last updated on 2026-06-17.

References

https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-012.txt

Affected products (2)

cpe:2.3:a:arubanetworks:edgeconnect_sd-wan_orchestrator:*:*:*:*:*:*:*:*
cpe:2.3:a:arubanetworks:edgeconnect_sd-wan_orchestrator:9.3.0:*:*:*:*:*:*:*

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