Vulnerability · 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.
Published Jan 29, 2026 · catalog updated May 12, 2026 · QlikTech International AB QlikView
Last checked Nov 5, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2020-36994. EPSS is 0.18%. Act only if a listed version of QlikTech International AB QlikView is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium4.6
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.18%
- Remediation
- Vendor / distro source
- Affected products
- vendor QlikTech International AB QlikView 12.50.20000.0
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor QlikTech International AB QlikView 12.50.20000.012.50.20000.0
How to fix CVE-2020-36994
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 12.50.20000.0
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2020-36994. EPSS is 0.18%. Act only if a listed version of QlikTech International AB QlikView is installed.
Which versions are affected?
Compare what you have installed with QlikTech International AB QlikView 12.50.20000.0 12.50.20000.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jan 29, 2026 · EUVD
Detected
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.
May 12, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2020-36994
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2020-36994
30-day exploitation probability 0.18%
first.org - EUVDVulnerability recordEUVD-2020-30918
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 n
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 5, 2026
- CVE.orgNov 4, 2026
- EUVDNov 2, 2026