Vulnerability · Published Apr 15, 2022 · Assigned by cisco

CVE-2022-20717Cisco SD-WAN vEdge Routers Denial of Service Vulnerability

Medium 5.5

In plain English

A medium-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 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.0)5.5Medium

Exploit odds (30 days)0.2%top 89.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the NETCONF process of Cisco SD-WAN vEdge Routers could allow an authenticated, local attacker to cause an affected device to run out of memory, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient memory management when an affected device receives large amounts of traffic. An attacker could exploit this vulnerability by sending malicious traffic to an affected device. A successful exploit could allow the attacker to cause the device to crash, resulting in a DoS condition.

Affected products (as reported)

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

Weakness: CWE-789 · Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

20220413 Cisco SD-WAN vEdge Routers Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO