How severe is CVE-2020-4001?

CVE-2020-4001 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-2020-4001 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-2020-4001?

CVE-2020-4001 primarily affects Vmware Sd-wan Orchestrator. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4001?

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-2020-4001 published?

CVE-2020-4001 was published on 2020-11-24 and last updated on 2026-06-17.

CVE-2020-4001

CVE-2020-4001 is a critical-severity vulnerability in Vmware Sd-wan Orchestrator 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-1188.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1188
Affected product: Vmware Sd-wan Orchestrator
Published: 2020-11-24
Last modified: 2026-06-17

Description

The SD-WAN Orchestrator 3.3.2, 3.4.x, and 4.0.x has default passwords allowing for a Pass-the-Hash Attack. SD-WAN Orchestrator ships with default passwords for predefined accounts which may lead to to a Pass-the-Hash attack.

Frequently asked questions

What is CVE-2020-4001?: The SD-WAN Orchestrator 3.3.2, 3.4.x, and 4.0.x has default passwords allowing for a Pass-the-Hash Attack. SD-WAN Orchestrator ships with default passwords for predefined accounts which may lead to to a Pass-the-Hash attack.
How severe is CVE-2020-4001?: CVE-2020-4001 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-2020-4001 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-2020-4001?: CVE-2020-4001 primarily affects Vmware Sd-wan Orchestrator. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4001?: 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-2020-4001 published?: CVE-2020-4001 was published on 2020-11-24 and last updated on 2026-06-17.

References

http://www.vmware.com/security/advisories/VMSA-2020-0025.html

Affected products (4)

cpe:2.3:a:vmware:sd-wan_orchestrator:*:*:*:*:*:*:*:*
cpe:2.3:a:vmware:sd-wan_orchestrator:3.3.2:-:*:*:*:*:*:*
cpe:2.3:a:vmware:sd-wan_orchestrator:3.3.2:p1:*:*:*:*:*:*
cpe:2.3:a:vmware:sd-wan_orchestrator:3.3.2:p2:*:*:*:*:*:*

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