CVE-2021-42120

Missing Character Length (Denial of Service) in TopEase

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 on all object attributes allows an authenticated remote attacker with Object Modification privileges to insert arbitrarily long strings, eventually leading to exhaustion of the underlying resource.

Una Comprobación de Entrada Insuficiente en Aplicaciones Web que operan en la Plataforma TopEase® de Business-DNA Solutions GmbH Versiones anteriores a 7.1.27 incluyéndola, en todos los atributos de los objetos permite a un atacante remoto autenticado con privilegios de Modificación de Objetos insertar cadenas arbitrariamente largas, conllevando eventualmente al agotamiento del recurso subyacente

*Credits: SIX Group Services AG, Cyber Controls

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-10-08 CVE Reserved
2021-11-30 CVE Published
2023-06-23 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-400: Uncontrolled Resource Consumption

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://confluence.topease.ch/confluence/display/DOC/Release+Notes	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Businessdnasolutions Search vendor "Businessdnasolutions"		Topease Search vendor "Businessdnasolutions" for product "Topease"				<= 7.1.27 Search vendor "Businessdnasolutions" for product "Topease" and version " <= 7.1.27"		-		Affected