CVE-2020-10109
HTTP Request Smuggling in Twisted
9.8
CRITICAL
CVSS 3.1
EPSS 2.3%
Description
In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with a content-length and a chunked encoding header, the content-length took precedence and the remainder of the request body was interpreted as a pipelined request.
How to fix CVE-2020-10109
To remediate CVE-2020-10109, upgrade the affected package to a fixed version below.
- Debian/twisted—upgrade to 18.9.0-7 or later
- —upgrade to 20.3.0 or later
- —upgrade to 20.3.0rc1 or later
Is CVE-2020-10109 being exploited?
Low — EPSS is 2.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 18.9.0-7
- from 0, < 20.3.0
- from 0, < 20.3.0rc1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |