Cisco HyperFlex Software Cross-Frame Scripting Vulnerability

published 2019-09-18 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10532

cvss: 6.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits: 0; none known

A vulnerability in the web-based interface of Cisco HyperFlex Software could allow an unauthenticated, remote attacker to execute a cross-frame scripting (XFS) attack on an affected device. This vulnerability is due to insufficient HTML iframe protection. An attacker could exploit this vulnerability by directing a user to an attacker-controlled web page that contains a malicious HTML iframe. A successful exploit could allow the attacker to conduct clickjacking or other clientside browser attacks.

Patch / fix

fixed in 1

Cisco Cisco HyperFlex HX-Series 3.5.2f

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-21)

Exploit prediction

1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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-20190918-hyperflex-xfs
vendor-advisory

Sources

CVE List CVE-2019-1975
NVD CVE-2019-1975

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Summary