Atlassian.Confluence.CVE-2021-26084.Remote.Code.Execution
Description
This indicates an attack attempt to exploit a Remote Code Execution Vulnerability in Atlassian Confluence.
The vulnerability is due to insufficient input validation while handling a malicious request. A remote attacker may be able to exploit this to execute arbitrary code via a crafted HTTP request.
Outbreak Alert
Joint Cybersecurity Advisory (CSA) has released the top Common Vulnerabilities and Exposures (CVEs) used since 2020 by Peoples Republic of China (PRC) state-sponsored cyber actors as assessed by the National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA), and Federal Bureau of Investigation (FBI). Previously, FortiGuard labs has already published various Outbreaks Alerts included in the released CISA's advisory such as: Apache Log4j, Hikvision Webserver Vulnerability, Atlassian Confluence OGNL RCE Vulnerability, Microsoft Exchange Server RCE Vulnerabilities etc. See the full list at: https://www.fortiguard.com/outbreak-alert Links to dedicated reports on each published outbreak by FortiGuard Labs are added to Additional Resources section below.
Affected Products
atlassian:confluence prior to 6.13.23
atlassian:confluence 6.14.0 to 7.4.11
atlassian:confluence 7.5.0 to 7.11.6
atlassian:confluence 7.12.0 to 7.12.5
atlassian:data_center prior to 6.13.23
atlassian:data_center 6.14.0 to 7.4.11
atlassian:data_center 7.5.0 to 7.11.6
atlassian:data_center 7.12.0 to 7.12.5
Impact
System Compromise: Remote attackers can gain control of vulnerable systems.
Recommended Actions
Apply the most recent upgrade or patch from the vendor
https://jira.atlassian.com/browse/CONFSERVER-67940
Telemetry
Coverage
IPS (Regular DB) | |
IPS (Extended DB) |