Vulnerability · Published Oct 21, 2021 · Assigned by cisco

CVE-2021-1529Cisco IOS XE SD-WAN Software Command Injection Vulnerability

High 7.8

In plain English

A high-severity OS 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 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)0.3%top 76.3% 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 could allow an authenticated, local attacker to execute arbitrary commands with root privileges. The vulnerability is due to insufficient input validation by the system CLI. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the system CLI. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.

Affected products (as reported)

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

Weakness: CWE-78 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

20211020 Cisco IOS XE SD-WAN Software Command Injection Vulnerability vendor-advisory, x_refsource_CISCO