What is CVE-2020-27782?

CVE-2020-27782 is a high-severity vulnerability in Redhat Jboss_fuse, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-02-23.

How severe is CVE-2020-27782?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Redhat Jboss_fuse

CVE-2020-27782

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 fr…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.013 (66.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Redhat Jboss_fuse — versions 6.0.0, 7.0.0
Redhat Openshift_application_runtimes
Redhat Undertow — versions 2.0.33, 2.1.5, 2.2.3
N/a Undertow — versions 2.1.5.SP1, 2.0.33.SP2, 2.2.3.SP1

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

secalert@redhat.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2020-27782?: CVE-2020-27782 is a high-severity vulnerability in Redhat Jboss_fuse, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-02-23.
How severe is CVE-2020-27782?: High severity. CVSS v3 base score is 7.5 out of 10.