CVE-2017-18113
moderate-risk
Published 2021-08-02
The DefaultOSWorkflowConfigurator class in Jira Server and Jira Data Center before version 8.18.1 allows remote attackers who can trick a system administrator to import their malicious workflow to execute arbitrary code via a Remote Code Execution (RCE) vulnerability. The vulnerability allowed for various problematic OSWorkflow classes to be used as part of workflows. The fix for this issue blocks usage of unsafe conditions, validators, functions and registers that are build-in into OSWorkflow library and other Jira dependencies. Atlassian-made functions or functions provided by 3rd party plugins are not affected by this fix.
Do I need to act?
~
2.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10
High
NETWORK
/ LOW complexity
Affected Products (2)
Affected Vendors
References (2)
Issue Tracking
https://jira.atlassian.com/browse/JRASERVER-72660
Issue Tracking
https://jira.atlassian.com/browse/JRASERVER-72660
43
/ 100
moderate-risk
Severity
30/34 · Critical
Exploitability
6/34 · Minimal
Exposure
7/34 · Low