#VU51773 Input validation error in Cisco IOS XE SD-WAN


Published: 2021-03-29

Vulnerability identifier: #VU51773

Vulnerability risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1454

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco IOS XE SD-WAN
Other software / Other software solutions

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to insufficient input validation of certain CLI commands. A local administrator can pass specially crafted input to the application and access the underlying operating system with root privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco IOS XE SD-WAN: 16.9.1 - 17.3.2


External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwpinj-V4weeqzU


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability