#VU54914 Improper Check or Handling of Exceptional Conditions in Juniper Junos OS - CVE-2021-0290

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Main Vulnerability Database Vulnerabilities #VU54914

#VU54914 Improper Check or Handling of Exceptional Conditions in Juniper Junos OS - CVE-2021-0290

Published: July 15, 2021


Vulnerability identifier: #VU54914
Vulnerability risk: Medium
CVSSv4.0: 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:Green
CVE-ID: CVE-2021-0290
CWE-ID: CWE-703
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

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

The vulnerability exists due to improper handling of exceptional conditions in Ethernet interface frame processing. A remote attacker on the local network can send specially crafted frames over the local Ethernet segment, causing the interface to go into a down state, resulting in a Denial of Service (DoS) condition.

This issue is platform-specific and affects the following platforms and line cards:

  • MPC7E/8E/9E and MPC10E on MX240, MX480, MX960, MX2008, MX2010, and MX2020
  • MX204, MX10003, MX10008, MX10016
  • EX9200, EX9251
  • SRX4600

Remediation

Install updates from vendor's website.

External links