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Vulnerability record · CVE-2018-15382 · published 5 October 2018

CVE-2018-15382: Cisco hyperflex hx data platform vulnerability

Cisco · Hyperflex Hx Data Platform

A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to generate valid, signed session tokens. The vulnerability is due to a static signing key that is present in all Cisco HyperFlex systems. An attacker could exploit this vulnerability by accessing the static signing key from one HyperFlex system and using it to generate valid, signed session tokens for another HyperFlex system. A successful exploit could allow the attacker to access the HyperFlex Web UI of a system for which they are not authorized.

8.6 CVSS 3.0 High EPSS 1.3% · top 31.2% CWE-642 · CWE-642
8.6CVSS 3.0 base score, v2 7.5
1.3%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 Cisco HyperFlex Software could allow an unauthenticated, remote attacker to generate valid, signed session tokens. The vulnerability is due to a static signing key that is present in all Cisco HyperFlex systems. An attacker could exploit this vulnerability by accessing the static signing key from one HyperFlex system and using it to generate valid, signed session tokens for another HyperFlex system. A successful exploit could allow the attacker to access the HyperFlex Web UI of a system for which they are not authorized.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/105518 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-hyperflex-secret Vendor Advisory
http://www.securityfocus.com/bid/105518 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-hyperflex-secret Vendor Advisory

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Related vulnerabilities

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

9.8CVE-2021-1497Cisco HyperFlex HX web management interface OS command injectionThe web-based management interface of Cisco HyperFlex HX contains an OS command injection flaw (CWE-78) that lets an unauthenticated, remote attacker…KEVEPSS 100%analysed9.8CVE-2021-1498Cisco HyperFlex HX web management interface command injectionThe web-based management interface of Cisco HyperFlex HX contains command injection flaws (CWE-78/CWE-77) that let an unauthenticated, remote attacke…KEVEPSS 100%analysed8.8CVE-2019-1958Cisco hyperflex hx data platform cross-site request forgery vulnerabilityA vulnerability in the web-based management interface of Cisco HyperFlex Software could allow an unauthenticated, remote attacker to conduct a cross-…EPSS 0.60%8.8CVE-2018-15380Cisco hyperflex hx data platform os command injection vulnerabilityA vulnerability in the cluster service manager of Cisco HyperFlex Software could allow an unauthenticated, adjacent attacker to execute commands as t…EPSS 1.1%7.8CVE-2019-1664Cisco hyperflex hx data platform improper access control vulnerabilityA vulnerability in the hxterm service of Cisco HyperFlex Software could allow an unauthenticated, local attacker to gain root access to all nodes in …EPSS 0.33%6.1CVE-2023-20263Cisco hyperflex hx data platform open redirect vulnerabilityA vulnerability in the web-based management interface of Cisco HyperFlex HX Data Platform could allow an unauthenticated, remote attacker to redirect…EPSS 0.58%6.1CVE-2019-1665Cisco hyperflex hx data platform cross-site scripting vulnerabilityA vulnerability in the web-based management interface of Cisco HyperFlex software could allow an unauthenticated, remote attacker to conduct a cross-…EPSS 1.1%6.0CVE-2017-12315Cisco hyperflex hx data platform information exposure vulnerabilityA vulnerability in system logging when replication is being configured with the Cisco HyperFlex System could allow an authenticated, local attacker t…EPSS 0.33%

Source: NIST National Vulnerability Database (record CVE-2018-15382), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.