Vulnerability · Published Sep 23, 2021 · Assigned by cisco

CVE-2021-34729Cisco IOS XE SD-WAN Software Command Injection Vulnerability

Medium 6.7

In plain English

A medium-severity command injection in Cisco IOS XE SD-WAN Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium

Exploit odds (30 days)0.4%top 70.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software and Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary commands with elevated privileges on an affected device. This vulnerability is due to insufficient validation of arguments passed to certain CLI commands. An attacker could exploit this vulnerability by including malicious input in the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands with elevated privileges on the underlying operating system. An attacker would need valid user credentials to exploit this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco IOS XE SD-WAN Software	n/a

Weakness: CWE-77 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

20210922 Cisco IOS XE SD-WAN Software Command Injection Vulnerability vendor-advisory, x_refsource_CISCO