vulnerability
Red Hat JBoss EAP: CVE-2020-27782: Uncontrolled Resource Consumption
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Jan 25, 2021 | Sep 19, 2024 | Jul 2, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Jan 25, 2021
Added
Sep 19, 2024
Modified
Jul 2, 2025
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.. 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.
Solution
red-hat-jboss-eap-upgrade-latest
References
- CWE-400
- CVE-2020-27782
- https://attackerkb.com/topics/CVE-2020-27782
- URL-https://access.redhat.com/security/cve/CVE-2020-27782
- URL-https://bugzilla.redhat.com/show_bug.cgi?id=1901304
- URL-https://access.redhat.com/errata/RHSA-2021:0246
- URL-https://access.redhat.com/errata/RHSA-2021:0247
- URL-https://access.redhat.com/errata/RHSA-2021:0248
- URL-https://access.redhat.com/errata/RHSA-2021:0250
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