SB2021072020 - Privilege escalation in Juniper Networks Junos OS
Published: July 20, 2021
Security Bulletin ID
SB2021072020
Severity
Medium
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 security vulnerability.
1) Input validation error (CVE-ID: CVE-2021-0278)
The vulnerability allows a remote attacker to gain elevated privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input in J-Web. A remote authenticated attacker can pass specially crafted input to the application and escalate privileges to root over the target device.
Remediation
Install update from vendor's website.