Input validation error in Cisco SD-WAN vEdge 5000 Series Routers and Cisco SD-WAN vEdge Cloud Router - CVE-2020-3385

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Main Vulnerability Database Vulnerabilities #VU31694

Input validation error in Cisco SD-WAN vEdge 5000 Series Routers and Cisco SD-WAN vEdge Cloud Router - CVE-2020-3385

Published: July 20, 2020


Vulnerability identifier: #VU31694
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3385
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause a denial of service (DoS) condition on an affected system. 

The vulnerability exists due to insufficient validation of user-supplied input in the deep packet inspection (DPI) engine. A remote attacker on the local network can send specially crafted packets and cause a denial of service condition on the target system.


Affected software

Cisco SD-WAN vEdge 5000 Series Routers
Cisco SD-WAN vEdge Cloud Router

How to mitigate CVE-2020-3385

Install update from vendor's website.

Cisco SD-WAN vEdge 5000 Series Routers - addressed in versions 18.4.5, 19.2.3, 20.1.1
Cisco SD-WAN vEdge Cloud Router - addressed in versions 18.4.5, 19.2.3, 20.1.1

External References

Related Security Bulletins