CVE-2020-3180

Cisco SD-WAN Solution Software Static Credentials Vulnerability

HIGH

7.8

CVSS Score

Published: July 16, 2020 at 05:20 PM UTC

Updated: June 17, 2026 at 03:17 AM UTC

14 products affected across 1 vendorSd WAN1100 Integrated Services Router1100-4G Integrated Services Router

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Severity

HIGH7.8

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

A vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, local attacker to access an affected device by using an account that has a default, static password. This account has root privileges. The vulnerability exists because the affected software has a user account with a default, static password. An attacker could exploit this vulnerability by remotely connecting to an affected system by using this account. A successful exploit could allow the attacker to log in by using this account with root privileges.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sd WAN · Cisco

95%

18.3.0 ≤ v < 18.3.618.4.0 ≤ v < 18.4.519.2.0 ≤ v < 19.2.2

Affected range stops below 18.3.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.4.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.2.2, so it looks safe — our inference, not a vendor statement

cisco-1100-4g-integrated-services-router (environment) · cisco-1100-4gltegb-integrated-services-router (environment) · cisco-1100-4gltena-integrated-services-router (environment) · cisco-1100-6g-integrated-services-router (environment) · cisco-1100-integrated-services-router (environment) · cisco-vedge-100 (environment) · cisco-vedge-1000 (environment) · cisco-vedge-100b (environment) · cisco-vedge-100m (environment) · cisco-vedge-100wm (environment) · cisco-vedge-2000 (environment) · cisco-vedge-5000 (environment)

Cisco SD-WAN vManage · Cisco

60%

All versions

1100-4G Integrated Services Router · Ciscodevice

80%

All versions

1100-4Gltegb Integrated Services Router · Ciscodevice

80%

All versions

1100-4Gltena Integrated Services Router · Ciscodevice

80%

All versions