CVE-2020-7238
HTTP Request Smuggling in Netty
7.5
HIGH
CVSS 3.1
EPSS 1.5%
Description
Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace (such as a [space]Transfer-Encoding:chunked line) and a later Content-Length header. This issue exists because of an incomplete fix for CVE-2019-16869.
How to fix CVE-2020-7238
To remediate CVE-2020-7238, upgrade the affected package to a fixed version below.
- Debian/netty—upgrade to 1:4.1.45-1 or later
- —upgrade to 4.1.45 or later
Is CVE-2020-7238 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:4.1.45-1
- >= 4.1.43, < 4.1.45
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |