SB2021033015 - Command Injection in Cisco IOS XE Software
Published: March 30, 2021
Security Bulletin ID
SB2021033015
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Command Injection (CVE-ID: CVE-2021-1384)
CWE-ID: CWE-77 - Command injection
CVSSv4: CVSS:4.0/AV:N/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 remote user to execute arbitrary commands on the target system.
The vulnerability exists due to improper input validation in Cisco IOx application hosting environment. A remote administrator can use a specially crafted application .tar file and execute arbitrary commands on the target system.
Remediation
Install update from vendor's website.