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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.

PUBLISHED Reserved 2026-01-27 | Published 2026-01-29 | Updated 2026-01-29 | Assigner VulnCheck




NONE: 0.0CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
MEDIUM: 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Product status

12.50.20000.0
affected

Credits

Luis Martinez finder

References

www.exploit-db.com/exploits/48732 (ExploitDB-48732) exploit

www.qlik.com (Vendor Homepage) product

www.vulncheck.com/...ew-ftp-server-address-denial-of-service (VulnCheck Advisory: QlikView 12.50.20000.0 - 'FTP Server Address' Denial of Service) third-party-advisory

cve.org (CVE-2020-36994)

nvd.nist.gov (CVE-2020-36994)

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