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.

Published: 2020-11-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-4001 is rated Moderate Risk (64/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.90%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-4001

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 9.87% 2.90% -6.97%
2 2025-11-21 8.95% 9.87% +0.93%
3 2025-11-18 — 8.95% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-4001

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2020-4001

Affected software / configurations for CVE-2020-4001

Vendor Product Version Raw CPE
vmware sd-wan_orchestrator >= 3.4.0, <= 3.4.4 cpe:2.3:a:vmware:sd-wan_orchestrator:*:*:*:*:*:*:*:*
vmware sd-wan_orchestrator >= 4.0.0, <= 4.0.1 cpe:2.3:a:vmware:sd-wan_orchestrator:*:*:*:*:*:*:*:*
vmware sd-wan_orchestrator 3.3.2 cpe:2.3:a:vmware:sd-wan_orchestrator:3.3.2:-:*:*:*:*:*:*
vmware sd-wan_orchestrator 3.3.2 cpe:2.3:a:vmware:sd-wan_orchestrator:3.3.2:p1:*:*:*:*:*:*
vmware sd-wan_orchestrator 3.3.2 cpe:2.3:a:vmware:sd-wan_orchestrator:3.3.2:p2:*:*:*:*:*:*

References for CVE-2020-4001

cvelogic Threat Intelligence