Vulnerability · Published Jun 3, 2020 · Assigned by cisco

CVE-2020-3218Cisco IOS XE Software Web UI Remote Code Execution Vulnerability

High 7.2

In plain English

A high-severity improper input validation in Cisco IOS XE Software 16.6.1 from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.9% (higher than 92% of all known vulnerabilities).

Severity (CVSS 3.0)7.2High

Exploit odds (30 days)4.9%top 7.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with administrative privileges to execute arbitrary code with root privileges on the underlying Linux shell. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by first creating a malicious file on the affected device itself and then uploading a second malicious file to the device. A successful exploit could allow the attacker to execute arbitrary code with root privileges or bypass licensing requirements on the device.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco IOS XE Software 16.6.1	n/a

Weakness: CWE-20 · Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

20200603 Cisco IOS XE Software Web UI Remote Code Execution Vulnerability vendor-advisory, x_refsource_CISCO