atlassian data-center CVE-2021-26081 vulnerability in Atlassian Products
Published on July 20, 2021

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REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the `/rest/api/latest/user/avatar/temporary` endpoint.

NVD

Vulnerability Analysis

CVE-2021-26081 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

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

Products Associated with CVE-2021-26081

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-26081 are published in these products:

Atlassian Data Center
 
Atlassian Jira
 

Affected Versions

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

Exploit Probability

EPSS
0.38%
Percentile
58.91%

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.