Privilege escalation in Cisco HyperFlex - CVE-2019-1664

 

Privilege escalation in Cisco HyperFlex - CVE-2019-1664

Published: February 22, 2019


Vulnerability identifier: #VU17836
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-1664
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco HyperFlex

Detailed vulnerability description

The vulnerability allows a local unauthenticated attacker to gain elevated privileges on the target system.

The vulnerability exists in the hxterm service due to insufficient authentication controls. A local unauthenticated attacker can connect to the hxterm service as a non-privileged, local user and gain root access to all member nodes of the HyperFlex cluster.


How to mitigate CVE-2019-1664

Update to version 3.5(2a).

Sources