Vulnerability · Published Jul 16, 2020 · Assigned by cisco

CVE-2020-3385Cisco SD-WAN vEdge Routers Denial of Service Vulnerability

High 7.4

In plain English

A high-severity security flaw in Cisco SD-WAN vEdge router from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 3.0)7.4High

Exploit odds (30 days)0.5%top 55.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the deep packet inspection (DPI) engine of Cisco SD-WAN vEdge Routers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted packets through an affected device. A successful exploit could allow the attacker to cause the device to reboot, resulting in a DoS condition.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco SD-WAN vEdge router	n/a

Weakness: CWE-371 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References

20200715 Cisco SD-WAN vEdge Routers Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO