Improper Check for Unusual or Exceptional Conditions in Juniper Junos OS - CVE-2021-0228

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Main Vulnerability Database Vulnerabilities #VU52309

Improper Check for Unusual or Exceptional Conditions in Juniper Junos OS - CVE-2021-0228

Published: April 16, 2021


Vulnerability identifier: #VU52309
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-0228
CWE-ID: CWE-754
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS

Detailed vulnerability description

The vulnerability allows a remote attacke to perform a denial of service (DoS) attack.

The vulnerability exists due to an improper check for unusual or exceptional conditions vulnerability in Juniper MX Series platforms with Trio-based MPC (Modular Port Concentrator). A remote attacker on the local network can cause a denial of service condition on the target system.


How to mitigate CVE-2021-0228

Install updates from vendor's website.

Sources