// For flags

CVE-2020-16273

 

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In Arm software implementing the Armv8-M processors (all versions), the stack selection mechanism could be influenced by a stack-underflow attack in v8-M TrustZone based processors. An attacker can cause a change to the stack pointer used by the Secure World from a non-secure application if the stack is not initialized. This vulnerability affects only the software that is based on Armv8-M processors with the Security Extension.

En el software Arm que implementa los procesadores Armv8-M (todas las versiones), el mecanismo de selección de pila podría estar influenciado por un ataque de subdesbordamiento de pila en los procesadores basados ??en TrustZone v8-M. Un atacante puede causar un cambio en el puntero de pila usado por Secure World desde una aplicación no segura si la pila no está inicializada. Esta vulnerabilidad afecta solo al software que se basa en procesadores Armv8-M con la Security Extension

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-08-03 CVE Reserved
  • 2020-11-12 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-191: Integer Underflow (Wrap or Wraparound)
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Arm
Search vendor "Arm"
Armv8-m Firmware
Search vendor "Arm" for product "Armv8-m Firmware"
*-
Affected
in Arm
Search vendor "Arm"
Armv8-m
Search vendor "Arm" for product "Armv8-m"
--
Safe