SB2021092413 - Exposure of Resource to Wrong Sphere in Cisco IOS XE SD-WAN Software
Published: September 24, 2021
Security Bulletin ID
SB2021092413
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Exposure of Resource to Wrong Sphere (CVE-ID: CVE-2021-34723)
CWE-ID: -
CVSSv4: 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
The vulnerability allows a local user to overwrite arbitrary files on the system.
The vulnerability exists due to insufficient validation of specific CLI command parameters. A local administrator can overwrite the content of the configuration database and gain root-level access to an affected device.
Remediation
Install update from vendor's website.