Vulnerability Intelligence Report
QlikView 12.50.20000.0 - 'FTP Server Address' Denial of Service
CVE-2020-36994
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.
No Active Exploit Signals
CVSS Base Score
4.6
MEDIUM
EPSS Probability:0.17%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-120 ↗Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| QlikTech International AB | QlikView | 12.50.20000.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.167%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2026-01-27T15:47:08 |
| Published | 2026-01-29T14:28:25 |
| Patch Date | 2020-08-03 |
| Last Updated | 2026-05-12T20:46:18 |
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