Vulnerability Details : 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 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 19:15:13
Updated 2021-02-27 03:34:42
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2020-27782

EPSS FAQ
0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-27782

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
 NIST
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST

CWE ids for CVE-2020-27782

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by: secalert@redhat.com (Primary)

References for CVE-2020-27782

Products affected by CVE-2020-27782

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