CVE-2020-3218 — HIGH (7.2) — White Hats Nepal

Vulnerability 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.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Ios Xe	16.6.1

Related Weaknesses (CWE)

CWE-20

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iPatchVendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iPatchVendor Advisory

FAQ

What is CVE-2020-3218?

CVE-2020-3218 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 Lin...

How severe is CVE-2020-3218?

CVE-2020-3218 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3218?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xe.