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CVE-2021-30181

CRITICALCVSS 9.8/10EPSS 61.46%

Last modified

CVE-2021-30181 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 61.46% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
61.46%

99.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
ApacheDubbo>= 2.5.0, < 2.6.10
ApacheDubbo>= 2.7.0, < 2.7.10

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-30181?
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.
How severe is CVE-2021-30181?
CVE-2021-30181 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 61.46% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30181?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30181?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST