#VU52321 Buffer overflow in Juniper Junos OS and EX4300 - CVE-2021-0242
Published: April 19, 2021
Vulnerability identifier: #VU52321
Vulnerability risk: Low
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:Clear
CVE-ID: CVE-2021-0242
CWE-ID: CWE-119
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Juniper Junos OS
EX4300
Juniper Junos OS
EX4300
Software vendor:
Juniper Networks, Inc.
Juniper Networks, Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the improper handling of direct memory access (DMA) buffers. A remote attacker on the local network can trigger memory corruption and cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.