CVE-2022-42966

Exponential ReDoS in cleo leads to denial of service

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method

Se puede activar un ReDoS exponencial (Denegación de Servicio (DoS) de expresión regular) en el paquete cleo PyPI, cuando un atacante puede proporcionar entradas arbitrarias al método Table.set_rows

*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

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-10-15 CVE Reserved
2022-11-09 CVE Published
2025-03-02 CVE Updated
2025-03-02 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-1333: Inefficient Regular Expression Complexity

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://research.jfrog.com/vulnerabilities/cleo-redos-xray-257186	2025-03-02

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Python-poetry Search vendor "Python-poetry"		Cleo Search vendor "Python-poetry" for product "Cleo"				-		-		Affected