CVE-2020-3379: Cisco SD-WAN Solution Software Privilege Escalation Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-16 · updated 2026-06-17
Weakness: CWE-264

Description

A vulnerability in Cisco SD-WAN Solution Software could allow an authenticated, local attacker to elevate privileges to Administrator on the underlying operating system. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to gain administrative privileges.

Affected products

Cisco SD-WAN vManage: before 18.3.0 — fixed in 18.3.0
Cisco Vbond Orchestrator: all versions
Cisco Vsmart Controller: all versions

How to fix

Upgrade to a fixed version: Cisco SD-WAN vManage 18.3.0. Check the vendor advisory for mitigations.

References

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