Which products and versions are affected by CVE-2021-30181?

Affected: Dubbo (Apache) versions >= Apache Dubbo 2.7.x; com.alibaba:dubbo (maven) versions >= 2.5.0; org.apache.dubbo:dubbo (maven) versions >= 2.5.0. The full list is in the CVE brief.

Is CVE-2021-30181 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2021-30181 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2021-30181?

No public exploit code is known.

Is there a fix for CVE-2021-30181?

Fixed versions are available, including Dubbo 2.6.10, Dubbo 2.6.9, Dubbo 2.7.9.

How urgently should CVE-2021-30181 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2021-30181

Critical

Code injection in Apache Dubbo

Published Mar 18, 2022 · Updated Jul 9, 2026 · Also known as GHSA-qmfc-6www-fjqw

Key Facts

Patch immediately

CVE-2021-30181 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Dubbo (Apache), com.alibaba:dubbo (maven), org.apache.dubbo:dubbo (maven).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 61% probability of exploitation in the next 30 days.
Fixed versions are available, including Dubbo 2.6.10, Dubbo 2.6.9, Dubbo 2.7.9.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

61%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2021-30181 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Affected Products

4 affected entries in total

Product	Affected versions	Fixed in
DubboApache	>= Apache Dubbo 2.7.x	2.6.10
com.alibaba:dubbomaven	>= 2.5.0	2.6.9
org.apache.dubbo:dubbomaven	>= 2.5.0	2.7.10

Patched Releases

Dubbo

2.6.10, 2.6.9, 2.7.9

com.alibaba:dubbo

2.6.9

org.apache.dubbo:dubbo

2.7.10

Timeline

Publicly disclosed
Mar 18, 2022
Last updated
Jul 9, 2026

Weakness Type

CWE-94 Improper Control of Generation of Code ('Code Injection')

References

FAQ

Common Questions.

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.
Affected: Dubbo (Apache) versions >= Apache Dubbo 2.7.x; com.alibaba:dubbo (maven) versions >= 2.5.0; org.apache.dubbo:dubbo (maven) versions >= 2.5.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Dubbo 2.6.10, Dubbo 2.6.9, Dubbo 2.7.9.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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