CVE-2021-30181

Apache Dubbo RCE on customers via Script route poisoning (Nashorn script injection)

Description

Apache Dubbo prior to 2.6.9 and 2.7.9 supports Script routing which will enable a customer to route the request to the right server. These rules are used by the customers when making a request in order to find the right endpoint. When parsing these rules, Dubbo customers use ScriptEngine and run the rule provided by the script which by default may enable executing arbitrary code.

9.8

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 3.31% Top 15%

Vendor Advisory apache.org

Affected: Apache Software Foundation Apache Dubbo

References

Link	Tags
https://lists.apache.org/thread.html/re22410dc704a09bc7032ddf15140cf5e7df3e8ece390fc9032ff5587%40%3Cdev.dubbo.apache.org%3E	mailing list vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30181?: CVE-2021-30181 has been scored as a critical severity vulnerability.
How to fix CVE-2021-30181?: To fix CVE-2021-30181, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-30181 being actively exploited in the wild?: It is possible that CVE-2021-30181 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30181?: CVE-2021-30181 affects Apache Software Foundation Apache Dubbo.

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