Vulnerability identifier: #VU68872
Vulnerability risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-347
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Cisco IOS XE
Operating systems & Components /
Operating system
Vendor:
Description
The vulnerability allows a local attacker to compromise the target system.
The vulnerability exists due to 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 with physical access can install and boot a malicious software image or execute unsigned binaries on the target device.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-digsig-bypass-FYQ3bmVq
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.