Cisco HyperFlex UI Clickjacking Vulnerability

published 2018-10-05 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7301

cvss: 4.7; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

A vulnerability in the web UI of Cisco HyperFlex Software could allow an unauthenticated, remote attacker to affect the integrity of a device via a clickjacking attack. The vulnerability is due to insufficient input validation of iFrame data in HTTP requests that are sent to an affected device. An attacker could exploit this vulnerability by sending crafted HTTP packets with malicious iFrame data. A successful exploit could allow the attacker to perform a clickjacking attack where the user is tricked into clicking a malicious link.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-25)

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

Cisco Cisco HyperFlex HX-Series

Classification

Weakness

CWE-693 Protection Mechanism Failure
CWE-1021 Improper Restriction of Rendered UI Layers or Frames

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-hyperflex-clickjacking
vendor-advisory

Sources

CVE List CVE-2018-15423
NVD CVE-2018-15423

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Summary