Servers and applications
CVE-2021-23336
The package python/cpython from 0 and before 3.6.13, from 3.7.0 and before 3.7.10, from 3.8.0 and before 3.8.8, from 3.9.0 and before 3.9.2 are vulnerable to Web Cache Poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a vector called parameter cloaking. When the attacker can separate query parameters using a semicolon (;), they can cause a difference in the interpretation…
- Severity
- Medium 5.9
- Published
- 15 Feb 2021
- Last changed
- 14 Oct 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 3.6.13, 3.7.10, 3.8.8, 3.9.2
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
PythonServers and applications · cpe:a:python:python |
|