atlassian confluence CVE-2021-39114 is a vulnerability in Atlassian Confluence
Published on April 5, 2022

Affected versions of Atlassian Confluence Server and Data Center allow users with a valid account on a Confluence Data Center instance to execute arbitrary Java code or run arbitrary system commands by injecting an OGNL payload. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.

NVD

Vulnerability Analysis

CVE-2021-39114 is exploitable with network access, and requires small amount of 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:
LOW
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-2021-39114 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2021-39114

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-39114 are published in Atlassian Confluence:

Atlassian Confluence
 

Affected Versions

Atlassian Confluence Server: Atlassian Confluence Data Center: atlassian confluence_data_center: atlassian confluence_server:

Exploit Probability

EPSS
0.36%
Percentile
57.81%

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.