CVE-2021-1592 — Cisco UCS Manager Software SSH Sessions Denial of Service Vulnerability

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Cisco / Cisco Unified Computing System (Managed)	affected n/a

CWE

CWE-664

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-ssh-dos-MgvmyrQy

ADP enrichment

CVE

No English description supplied.

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-ssh-dos-MgvmyrQy

CISA-ADP

No English description supplied.

No references supplied.