CVEvulnerability

CVE-2020-27782

7.5 HIGH Published 2021-02-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-02-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-400

Description

A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.

Affected configurations

• redhat jboss fuse 6.0.0 • redhat jboss fuse 7.0.0 • redhat openshift application runtimes • redhat undertow 2.0.33 • redhat undertow 2.1.5 • redhat undertow 2.2.3

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References