Multiple vulnerabilities in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges. These vulnerabilities are due to improper access controls on commands within the application CLI. An attacker could exploit these vulnerabilities by running a malicious command on the application CLI. A successful exploit could allow the attacker to execute arbitrary commands as the root user.
Conclusion & alert: CVE-2022-20818 is rated Moderate Risk (53.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.52%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-04-21 | 1.14% | 0.52% | -0.62% |
| 2 | 2026-03-11 | 0.84% | 1.14% | +0.31% |
| 3 | 2026-03-09 | — | 0.84% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | sd-wan_vbond_orchestrator | < 20.9 | cpe:2.3:a:cisco:sd-wan_vbond_orchestrator:*:*:*:*:*:*:*:* |
| cisco | sd-wan_vmanage | < 20.9 | cpe:2.3:a:cisco:sd-wan_vmanage:*:*:*:*:*:*:*:* |
| cisco | sd-wan_vsmart_controller | < 20.9 | cpe:2.3:a:cisco:sd-wan_vsmart_controller:*:*:*:*:*:*:*:* |
| cisco | sd-wan | < 20.9 | cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-priv-E6e8tEdF | Vendor Advisory |