Vulnerability · Published May 6, 2021 · Assigned by cisco

CVE-2021-1513Cisco SD-WAN Software vDaemon Denial of Service Vulnerability

High 7.5

In plain English

A high-severity improper input validation in Cisco SD-WAN Solution from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)1.5%top 25.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the vDaemon process of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to cause a device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco SD-WAN Solution	n/a

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

20210505 Cisco SD-WAN Software vDaemon Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO