CVE-2019-20444
CRITICAL severity · CVSS 9.1 · CWE-444
9.1CVSS CRITICAL
Summary
HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)9%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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