Home / Vulnerabilities / CVE-2022-26134
CRITICAL SEVERITY Ransomware Linked
CVE-2022-26134 Atlassian · Confluence Server/Data Center

Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

94.41 %
Predictive Probability
Percentile Rank
100.0 th

Documented as more likely to be exploited than 100.0% of known CVEs.

Detection Date

Jun 02, 2022

Remediation Due

Jun 06, 2022

CISA Catalog Active

Threat Analysis

Atlassian Confluence Server and Data Center contain a remote code execution vulnerability that allows for an unauthenticated attacker to perform remote code execution.

Remediation Directive

Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is successfully deployed, agencies can reassess the internet blocking rules.

External Intelligence