CVE-2021-4021

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS.

Se ha encontrado una vulnerabilidad en Radare2 en versiones anteriores a5.6.2, 5.6.0, 5.5.4 y 5.5.2. El mapeo de una enorme sección llena de ceros de un binario ELF64 para la arquitectura MIPS puede conllevar aun consumo no controlado de recursos y un DoS

*Credits: N/A

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

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-11-25 CVE Reserved
2022-02-24 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-11-09 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption
CWE-834: Excessive Iteration

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/radareorg/radare2/issues/19436	2024-08-03

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
Radare Search vendor "Radare"		Radare2 Search vendor "Radare" for product "Radare2"				<= 5.5.0 Search vendor "Radare" for product "Radare2" and version " <= 5.5.0"		-		Affected