CVE-2019-19943
The HTTP service in quickweb.exe in Pablo Quick 'n Easy Web Server 3.3.8 allows Remote...
The HTTP service in quickweb.exe in Pablo Quick 'n Easy Web Server 3.3.8 allows Remote Unauthenticated Heap Memory Corruption via a large host or domain parameter. It may be possible to achieve remote code execution because of a double free.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The HTTP service in quickweb.exe in Pablo Quick 'n Easy Web Server 3.3.8 allows Remote Unauthenticated Heap Memory Corruption via a large host or domain parameter. It may be possible to achieve remote code execution because of a double free.
- Record
CVE-2019-19943- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-415, CWE-787
- Updated
- 2026-11-02
CVE List No score
The HTTP service in quickweb.exe in Pablo Quick 'n Easy Web Server 3.3.8 allows Remote Unauthenticated Heap Memory Corruption via a large host or domain parameter. It may be possible to achieve remote code execution because of a double free.
- Record
CVE-2019-19943- Updated
- 2026-11-02
EUVDEUVD-2019-9531 No score
The HTTP service in quickweb.exe in Pablo Quick 'n Easy Web Server 3.3.8 allows Remote Unauthenticated Heap Memory Corruption via a large host or domain parameter. It may be possible to achieve remote code execution because of a double free.
- Record
EUVD-2019-9531- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3pqg-mc4c-xrv2 No score
The HTTP service in quickweb.exe in Pablo Quick 'n Easy Web Server 3.3.8 allows Remote...
The HTTP service in quickweb.exe in Pablo Quick 'n Easy Web Server 3.3.8 allows Remote Unauthenticated Heap Memory Corruption via a large host or domain parameter. It may be possible to achieve remote code execution because of a double free.
- Record
GHSA-3pqg-mc4c-xrv2- Weakness
- CWE-415
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-19943 is a high vulnerability (CVSS 7.5) in Pablosoftwaresolutions Quick \'n Easy Web Server, published February 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.26%, the 91st percentile. No source names a fixed version.