Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2019-20444


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."


Published

2020-01-29T21:15:11.047

Last Modified

2025-07-01T18:15:23.387

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.1 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-444

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application netty netty < 4.1.44 Yes
Operating System debian debian_linux 8.0 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Operating System fedoraproject fedora 33 Yes
Operating System canonical ubuntu_linux 18.04 Yes
Application redhat jboss_amq_clients 2 Yes
Application redhat jboss_enterprise_application_platform 7.2 Yes
Application redhat jboss_enterprise_application_platform 7.3 Yes
Operating System redhat enterprise_linux 6.0 No
Operating System redhat enterprise_linux 7.0 No
Operating System redhat enterprise_linux 8.0 No

References