Input validation error in TCP/IP stack - CVE-2020-11899
Published: June 17, 2020 / Updated: March 8, 2022
Vulnerability identifier: #VU29092
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-11899
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in IPv6 component. A remote attacker on the local network can pass specially crafted packet, trigger out-of-bounds read and perform a denial of service (DoS) attack.
Affected software
TCP/IP stack
PowerFlex rack
PowerFlex rack
How to mitigate CVE-2020-11899
Install updates from vendor's website.
TCP/IP stack - update to 6.0.1.66
PowerFlex rack - addressed in versions 3.3.8.2, 3.4.3.2, 3.5.3.2
PowerFlex rack - addressed in versions 3.3.8.2, 3.4.3.2, 3.5.3.2