Resource management error in UCS 6400 Series Fabric Interconnects - CVE-2021-1592

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Main Vulnerability Database Vulnerabilities #VU56099

Resource management error in UCS 6400 Series Fabric Interconnects - CVE-2021-1592

Published: August 25, 2021


Vulnerability identifier: #VU56099
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2021-1592
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
UCS 6400 Series Fabric Interconnects

Detailed vulnerability description

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.


How to mitigate CVE-2021-1592

Install updates from vendor's website.

Sources