SB2021011538 - Denial of service when processing BGP messages in Junos OS and Junos OS Evolved
Published: January 15, 2021
Security Bulletin ID
SB2021011538
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2021-0211)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing BGP mesages. A remote attacker can send a valid BGP FlowSpec message and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.