CVE Vulnerability

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.

7.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1901304 Issue Tracking Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:redhat:jboss_fuse:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:2.0.33:sp2:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:2.2.3:sp1:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:2.1.5:sp1:*:*:*:*:*:*
Information

Published : 2021-02-23 07:15

Updated : 2021-02-27 03:34

NVD link : CVE-2020-27782

Mitre link : CVE-2020-27782

Products Affected
No products.
CWE
CWE-400