CVE-2020-7238
HIGH severity · CVSS 7.5 · CWE-444
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)4%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://access.redhat.com/errata/RHSA-2020:0497Advisory
- https://access.redhat.com/errata/RHSA-2020:0567Advisory
- https://access.redhat.com/errata/RHSA-2020:0601Advisory
- https://access.redhat.com/errata/RHSA-2020:0605Advisory
- https://access.redhat.com/errata/RHSA-2020:0606Advisory
- https://access.redhat.com/errata/RHSA-2020:0804Advisory
- https://access.redhat.com/errata/RHSA-2020:0805Advisory
- https://access.redhat.com/errata/RHSA-2020:0806Advisory