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.
Published: 2021-02-23
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-1173 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.
Github GHSA Github GHSA GHSA-rhcw-wjcm-9h6g Denial of service in Undertow
History

Wed, 25 Jun 2025 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Redhat jboss Enterprise Application Platform Eus
CPEs cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.1::el7
Vendors & Products Redhat jboss Enterprise Application Platform Eus

Subscriptions

Redhat Camel Quarkus Integration Jboss Enterprise Application Platform Jboss Enterprise Application Platform Eus Jboss Fuse Openshift Application Runtimes Red Hat Single Sign On Undertow
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-04T16:25:42.926Z

Reserved: 2020-10-27T00:00:00.000Z

Link: CVE-2020-27782

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-02-23T19:15:13.150

Modified: 2024-11-21T05:21:49.550

Link: CVE-2020-27782

cve-icon Redhat

Severity : Important

Publid Date: 2021-01-25T00:00:00Z

Links: CVE-2020-27782 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses