atlassian jira CVE-2021-43944 vulnerability in Atlassian Products
Published on March 8, 2022

product logo product logo
This issue exists to document that a security improvement in the way that Jira Server and Data Center use templates has been implemented. Affected versions of Atlassian Jira Server and Data Center allowed remote attackers with system administrator permissions to execute arbitrary code via Template Injection leading to Remote Code Execution (RCE) in the Email Templates feature. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3.

NVD

Vulnerability Analysis

CVE-2021-43944 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2021-43944 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2021-43944

stack.watch emails you whenever new vulnerabilities are published in Atlassian Jira or Atlassian Jira Software Data Center. Just hit a watch button to start following.

Atlassian Jira
 
Atlassian Jira Software Data Center
 

Affected Versions

Atlassian Jira Server: Atlassian Jira Data Center: atlassian jira_data_center: atlassian jira_server:

Exploit Probability

EPSS
1.97%
Percentile
83.39%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.