Resource management error in UCS 6400 Series Fabric Interconnects - CVE-2021-1592
Published: August 25, 2021
Vulnerability identifier: #VU56099
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1592
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources for established SSH sessions. A remote user can open a significant number of SSH sessions on an affected device and perform a denial of service attack.
Affected software
UCS 6400 Series Fabric Interconnects
How to mitigate CVE-2021-1592
Install updates from vendor's website.
UCS 6400 Series Fabric Interconnects - addressed in versions 4.0.4m, 4.1.3e