CVE-2019-1975

mediumpriority · track · 24EPSS 0.012 · 68 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.21% (68th) EPSS

CVSS 4.3 · medium

Is it mine?

14 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco HyperFlex HX-Seriescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · psirt@cisco.com USexploitability 2.8 · impact 3.6

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · Cisco PSIRT US

v3.16.5mediumAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1021USprimaryCWE-693USCWE-693USCWE-79US

affected products (14)

Products and version ranges known to be affected.

Cisco Cisco HyperFlex HX-Seriesall versionscisco_csafUS
Cisco Cisco HyperFlex HX-Seriesunspecified → 3.5.2fenisa_euvdEU
Cisco Systems Inc. Cisco HyperFlex≤ 4.0.1bfstec_bduRU
Cisco Systems Inc. Cisco HyperFlex≤ 3.5.2ffstec_bduRU
cisco hyperflex hx220c af m5 firmware≤ 3.5.2fnvdUScpe:2.3:o:cisco:hyperflex_hx220c_af_m5_firmware:*:*:*:*:*:*:*:*
cisco hyperflex hx220c af m5 firmware= 4.0(1a)nvdUScpe:2.3:o:cisco:hyperflex_hx220c_af_m5_firmware:*:*:*:*:*:*:*:*
cisco hyperflex hx220c edge m5 firmware≤ 3.5.2fnvdUScpe:2.3:o:cisco:hyperflex_hx220c_edge_m5_firmware:*:*:*:*:*:*:*:*
cisco hyperflex hx220c edge m5 firmware= 4.0(1a)nvdUScpe:2.3:o:cisco:hyperflex_hx220c_edge_m5_firmware:*:*:*:*:*:*:*:*
cisco hyperflex hx220c m5 firmware≤ 3.5.2fnvdUScpe:2.3:o:cisco:hyperflex_hx220c_m5_firmware:*:*:*:*:*:*:*:*
cisco hyperflex hx220c m5 firmware= 4.0(1a)nvdUScpe:2.3:o:cisco:hyperflex_hx220c_m5_firmware:*:*:*:*:*:*:*:*
cisco hyperflex hx240c af m5 firmware≤ 3.5.2fnvdUScpe:2.3:o:cisco:hyperflex_hx240c_af_m5_firmware:*:*:*:*:*:*:*:*
cisco hyperflex hx240c af m5 firmware= 4.0(1a)nvdUScpe:2.3:o:cisco:hyperflex_hx240c_af_m5_firmware:*:*:*:*:*:*:*:*
cisco hyperflex hx240c m5 firmware≤ 3.5.2fnvdUScpe:2.3:o:cisco:hyperflex_hx240c_m5_firmware:*:*:*:*:*:*:*:*
cisco hyperflex hx240c m5 firmware= 4.0(1a)nvdUScpe:2.3:o:cisco:hyperflex_hx240c_m5_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-20190918-hyperflex-xfsCisco HyperFlex Software Cross-Frame Scripting Vulnerability2019-09-18csaf · cisco_csafUS
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. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190918-hyperflex-xfs ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190918-hyperflex-xfs"]

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisco_csaf nvd NVD CVE.org MITRE

published 2019-09-18modified 2026-06-17

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+515 more

references (5)

External citations — patches, advisories, analysis.

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