Buffer overflow in Junos OS - CVE-2021-0284
Published: July 19, 2021
Vulnerability identifier: #VU54994
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2021-0284
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the Juniper Junos OS TCP/IP stack. A remote attacker can send specific sequences of packets to the device, trigger memory corruption and perform a denial of service (DoS) attack.Affected software
Junos OS
How to mitigate CVE-2021-0284
Install updates from vendor's website.
Junos OS - addressed in versions 17.3R3-S12, 19.3R3-S3, 19.4R3-S5, 20.2R3-S2, 20.4R3, 21.1R2, 21.2R2, 21.3R1