4.3
CVSSv3

CVE-2021-1592

Published: 25/08/2021 Updated: 07/11/2023
CVSS v2 Base Score: 4 | Impact Score: 2.9 | Exploitability Score: 8
CVSS v3 Base Score: 4.3 | Impact Score: 1.4 | Exploitability Score: 2.8
VMScore: 356
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Vulnerability Summary

A vulnerability in the way Cisco UCS Manager software handles SSH sessions could allow an authenticated, remote malicious user to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper resource management for established SSH sessions. An attacker could exploit this vulnerability by opening a significant number of SSH sessions on an affected device. A successful exploit could allow the malicious user to cause a crash and restart of internal Cisco UCS Manager software processes and a temporary loss of access to the Cisco UCS Manager CLI and web UI. Note: The attacker must have valid user credentials to authenticate to the affected device.

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Vendor Advisories

A vulnerability in the way Cisco UCS Manager software handles SSH sessions could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device This vulnerability is due to improper resource management for established SSH sessions An attacker could exploit this vulnerability by opening a significant num ...