CVE-2020-5403

DoS Via Malformed URL with Reactor Netty HTTP Server

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Reactor Netty HttpServer, versions 0.9.3 and 0.9.4, is exposed to a URISyntaxException that causes the connection to be closed prematurely instead of producing a 400 response.

Reactor Netty HttpServer, versiones 0.9.3 y 0.9.4, está expuesto a una URISyntaxException que causa que la conexión sea cerrada prematuramente en lugar de producir una respuesta 400.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-03 CVE Reserved
2020-03-03 CVE Published
2023-03-08 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-755: Improper Handling of Exceptional Conditions

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://pivotal.io/security/cve-2020-5403	2022-09-20

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Pivotal Search vendor "Pivotal"		Reactor Netty Search vendor "Pivotal" for product "Reactor Netty"				0.9.3 Search vendor "Pivotal" for product "Reactor Netty" and version "0.9.3"		-		Affected
Pivotal Search vendor "Pivotal"		Reactor Netty Search vendor "Pivotal" for product "Reactor Netty"				0.9.4 Search vendor "Pivotal" for product "Reactor Netty" and version "0.9.4"		-		Affected