CVE-2020-36994 json
QlikView 12.50.20000.0 - 'FTP Server Address' Denial of Service
published 2026-01-29 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2020-30918
- cvss
- 6.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 8%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 9 mo ago
Exploit prediction
0.18% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/48732 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.6 | 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 |
| CNA | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 4.0 | 4.6 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- QlikTech International AB QlikView
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
exploit-db.com
/exploits/48732
exploit
-
qlik.com
product
-
vulncheck.com
/advisories/qlikview-ftp-server-address-denial-of-service
third-party-advisory
Sources
- CVE List CVE-2020-36994
- NVD CVE-2020-36994
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.