SB2021101409 - Denial of service in Juniper Networks Junos OS on MX Series
Published: October 14, 2021
Security Bulletin ID
SB2021101409
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Unchecked Return Value (CVE-ID: CVE-2021-31366)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to unchecked return value in the authd (authentication daemon). A remote attacker on the local network can send a specific username and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.