#VU57415 OS Command Injection in Junos OS Evolved - CVE-2021-31357
Published: October 18, 2021
Vulnerability identifier: #VU57415
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-31357
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Junos OS Evolved
Junos OS Evolved
Software vendor:
Juniper Networks, Inc.
Juniper Networks, Inc.
Description
The vulnerability allows a local user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in tcpdump command processing. A local user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.