SB2021101413 - Denial of service in Juniper Networks Junos OS SRX300 Series, SRX500 Series, SRX1500 and SRX5000 Series with SPC2
Published: October 14, 2021
Security Bulletin ID
SB2021101413
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) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2021-31364)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper check for unusual or exceptional conditions in the flow daemon (flowd). A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.