Resource management error in Cisco IOS XE SD-WAN - CVE-2021-1281

 

Resource management error in Cisco IOS XE SD-WAN - CVE-2021-1281

Published: March 26, 2021


Vulnerability identifier: #VU51735
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1281
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOS XE SD-WAN

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper management of concurrent CLI sessions within CLI management in Cisco IOS XE SD-WAN Software. A local administrative user can execute a sequence of commands and obtain root privileges on the device.


How to mitigate CVE-2021-1281

Install updates from vendor's website.

Sources