CVE-2021-46020

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 untrusted pointer dereference in mrb_vm_exec() of mruby v3.0.0 can lead to a segmentation fault or application crash.

Una desreferencia de puntero no confiable en la función mrb_vm_exec() de mruby versión v3.0.0, puede conllevar a un fallo de segmentación o un fallo de la aplicación

*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

2022-01-03 CVE Reserved
2022-01-14 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-09-29 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/mruby/mruby/issues/5613	2024-08-04

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
Mruby Search vendor "Mruby"		Mruby Search vendor "Mruby" for product "Mruby"				3.0.0 Search vendor "Mruby" for product "Mruby" and version "3.0.0"		-		Affected