QlikView 12.50.20000.0 contains a denial of service vulnerability in the FTP server address input field that allows local attackers to crash the application. Attackers can paste a 300-character buffer into the FTP server address field to trigger an application crash and prevent normal functionality.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.exploit-db.com/exploits/48732 cve-icon cve-icon
https://www.qlik.com cve-icon cve-icon
https://www.vulncheck.com/advisories/qlikview-ftp-server-address-denial-of-service cve-icon cve-icon
History

Thu, 29 Jan 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 29 Jan 2026 14:45:00 +0000

Type Values Removed Values Added
Description QlikView 12.50.20000.0 contains a denial of service vulnerability in the FTP server address input field that allows local attackers to crash the application. Attackers can paste a 300-character buffer into the FTP server address field to trigger an application crash and prevent normal functionality.
Title QlikView 12.50.20000.0 - 'FTP Server Address' Denial of Service
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 0, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-29T15:20:30.098Z

Reserved: 2026-01-27T15:47:08.000Z

Link: CVE-2020-36994

cve-icon Vulnrichment

Updated: 2026-01-29T15:20:14.422Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-29T15:16:04.983

Modified: 2026-01-29T16:31:00.867

Link: CVE-2020-36994

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses