How severe is CVE-2020-4000?

CVE-2020-4000 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4000 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4000?

CVE-2020-4000 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-2020-4000?

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-2020-4000 published?

CVE-2020-4000 was published on 2020-11-24 and last updated on 2026-06-17.

CVE-2020-4000

CVE-2020-4000 is a high-severity vulnerability in Vmware Sd-wan Orchestrator with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 43% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 43% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Vmware Sd-wan Orchestrator
Published: 2020-11-24
Last modified: 2026-06-17

Description

The SD-WAN Orchestrator 3.3.2 prior to 3.3.2 P3, 3.4.x prior to 3.4.4, and 4.0.x prior to 4.0.1 allows for executing files through directory traversal. An authenticated SD-WAN Orchestrator user is able to traversal directories which may lead to code execution of files.

Frequently asked questions

What is CVE-2020-4000?: The SD-WAN Orchestrator 3.3.2 prior to 3.3.2 P3, 3.4.x prior to 3.4.4, and 4.0.x prior to 4.0.1 allows for executing files through directory traversal. An authenticated SD-WAN Orchestrator user is able to traversal directories which may lead to code execution of files.
How severe is CVE-2020-4000?: CVE-2020-4000 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4000 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4000?: CVE-2020-4000 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-2020-4000?: 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-2020-4000 published?: CVE-2020-4000 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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