#VU57415 OS Command Injection in Junos OS Evolved - CVE-2021-31357 

 

#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
Software vendor:
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.

External links