// For flags

CVE-2020-27221

JDK: Stack-based buffer overflow when converting from UTF-8 characters to platform encoding

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In Eclipse OpenJ9 up to and including version 0.23, there is potential for a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding.

En Eclipse OpenJ9 hasta la versión 0.23 incluyéndola, se presenta un potencial desbordamiento del búfer en la región stack de la memoria cuando la máquina virtual o nativas de JNI están convirtiendo caracteres UTF-8 a la codificación de plataforma

*Credits: N/A
CVSS Scores
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
  • 2020-10-19 CVE Reserved
  • 2021-01-21 CVE Published
  • 2023-10-06 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-121: Stack-based Buffer Overflow
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Eclipse
Search vendor "Eclipse"
 Openj9
Search vendor "Eclipse" for product "Openj9"
 <= 0.23.0
Search vendor "Eclipse" for product "Openj9" and version " <= 0.23.0"
-
Affected