CVE-2020-3209 — MEDIUM (6.8)

Vulnerability Description

A vulnerability in software image verification in Cisco IOS XE Software could allow an unauthenticated, physical attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability is due to an improper check on the area of code that manages the verification of the digital signatures of system image files during the initial boot process. An attacker could exploit this vulnerability by loading unsigned software on an affected device. A successful exploit could allow the attacker to install and boot a malicious software image or execute unsigned binaries on the targeted device.

CVSS Score

6.8

MEDIUM

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

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Ios Xe	3.2.0se

Related Weaknesses (CWE)

CWE-347

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-2020-3209?

CVE-2020-3209 is a vulnerability with a CVSS score of 6.8 (MEDIUM). A vulnerability in software image verification in Cisco IOS XE Software could allow an unauthenticated, physical attacker to install and boot a malicious software image or execute unsigned binaries on...

How severe is CVE-2020-3209?

CVE-2020-3209 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3209?

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