CVE-2021-44732

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure.

Mbed TLS versiones anteriores a 3.0.1,presenta una doble liberación en determinadas condiciones de salida de memoria, como es demostrado por un fallo de la función mbedtls_ssl_set_session()

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-08 CVE Reserved
2021-12-20 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-09-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-415: Double Free

CAPEC

References (7)

URL	Tag	Source
https://bugs.gentoo.org/829660	Issue Tracking
https://github.com/ARMmbed/mbedtls/releases	Release Notes
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12	Release Notes
https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0	Release Notes
https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0	Release Notes
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html	Mailing List

URL	Date	SRC
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12	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
Arm Search vendor "Arm"		Mbed Tls Search vendor "Arm" for product "Mbed Tls"				< 2.16.12 Search vendor "Arm" for product "Mbed Tls" and version " < 2.16.12"		-		Affected
Arm Search vendor "Arm"		Mbed Tls Search vendor "Arm" for product "Mbed Tls"				>= 2.17.0 < 2.28.0 Search vendor "Arm" for product "Mbed Tls" and version " >= 2.17.0 < 2.28.0"		-		Affected
Arm Search vendor "Arm"		Mbed Tls Search vendor "Arm" for product "Mbed Tls"				3.0.0 Search vendor "Arm" for product "Mbed Tls" and version "3.0.0"		-		Affected
Arm Search vendor "Arm"		Mbed Tls Search vendor "Arm" for product "Mbed Tls"				3.0.0 Search vendor "Arm" for product "Mbed Tls" and version "3.0.0"		preview1		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected