Improper Check for Unusual or Exceptional Conditions in Junos OS Evolved - CVE-2021-0225

 

Improper Check for Unusual or Exceptional Conditions in Junos OS Evolved - CVE-2021-0225

Published: April 16, 2021


Vulnerability identifier: #VU52307
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-0225
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Junos OS Evolved

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the stateless IP firewall filter does not work as expected. A remote attacker can cause the stateless firewall filter configuration which uses the action "policer" in certain combinations with other options to not take effect.


How to mitigate CVE-2021-0225

Install updates from vendor's website.

Sources