atlassian data-center CVE-2021-39113 vulnerability in Atlassian Products
Published on August 30, 2021

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Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to continue to view cached content even after losing permissions, via a Broken Access Control vulnerability in the allowlist feature. The affected versions are before version 8.13.9, and from version 8.14.0 before 8.18.0.

NVD

Vulnerability Analysis

CVE-2021-39113 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 high impact on confidentiality, with no impact on integrity and availability.

Exploitation:
NONE
Automatable:
YES
Technical Impact:
PARTIAL
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

Insufficient Session Expiration

According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."


Products Associated with CVE-2021-39113

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Atlassian Data Center
Atlassian Jira

Affected Versions

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

Exploit Probability

EPSS
2.46%
Percentile
84.48%

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.