Improper Check or Handling of Exceptional Conditions in Juniper Junos OS and Junos OS Evolved - CVE-2021-31353
Published: October 19, 2021
Vulnerability identifier: #VU57436
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-31353
CWE-ID: CWE-703
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS
Junos OS Evolved
Juniper Junos OS
Junos OS Evolved
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper check or handling of exceptional conditions. A remote attacker can inject a specific BGP update and perform a denial of service (DoS) attack.
How to mitigate CVE-2021-31353
Install updates from vendor's website.