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Vulnerability record · CVE-2019-1664 · published 21 February 2019

CVE-2019-1664: Cisco hyperflex hx data platform improper access control vulnerability

Cisco · Hyperflex Hx Data Platform

A vulnerability in the hxterm service of Cisco HyperFlex Software could allow an unauthenticated, local attacker to gain root access to all nodes in the cluster. The vulnerability is due to insufficient authentication controls. An attacker could exploit this vulnerability by connecting to the hxterm service as a non-privileged, local user. A successful exploit could allow the attacker to gain root access to all member nodes of the HyperFlex cluster. This vulnerability affects Cisco HyperFlex Software Releases prior to 3.5(2a).

7.8 CVSS 3.1 High EPSS 0.33% · top 75.8% CWE-284 · Improper access controlCWE-287 · Improper authentication
7.8CVSS 3.1 base score, v2 7.2
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A vulnerability in the hxterm service of Cisco HyperFlex Software could allow an unauthenticated, local attacker to gain root access to all nodes in the cluster. The vulnerability is due to insufficient authentication controls. An attacker could exploit this vulnerability by connecting to the hxterm service as a non-privileged, local user. A successful exploit could allow the attacker to gain root access to all member nodes of the HyperFlex cluster. This vulnerability affects Cisco HyperFlex Software Releases prior to 3.5(2a).

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/107103 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-chn-root-access Vendor Advisory
http://www.securityfocus.com/bid/107103 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-chn-root-access Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-1664), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.