CVE-2021-1592

Cisco UCS Manager Software SSH Sessions Denial of Service Vulnerability

State: Published
Severity: 4.3 Medium
Published: Aug 25, 2021
Updated: Nov 7, 2024
Reserved: Nov 13, 2020

Description

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 number of SSH sessions on an affected device. A successful exploit could allow the attacker 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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	cisco

Weaknesses

CWE-664

Affected Products

Product	Versions
Cisco Unified Computing System (Managed)Cisco	n/aAffected

References

20210825 Cisco UCS Manager Software SSH Sessions Denial of Service Vulnerabilityvendor-advisory

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