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Vulnerability Intelligence

CVE-2021-30180

Critical

Code injection in Apache Dubbo

Published Mar 18, 2022 · Updated Jul 9, 2026 · Also known as GHSA-7wfc-x4f7-gg2x

Key Facts

Patch immediately
  • CVE-2021-30180 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Dubbo (Apache), org.apache.dubbo:dubbo (maven).
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 60% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Dubbo 2.7.10, Dubbo 2.7.9, org.apache.dubbo:dubbo 2.7.10.
  • 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)

60%

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

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Description

Apache Dubbo prior to 2.7.9 support Tag 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 YAML rules, Dubbo customers may enable calling arbitrary constructors.

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
DubboApache>= Apache Dubbo 2.7.x2.7.10
org.apache.dubbo:dubbomaven>= 2.7.02.7.10

Patched Releases

Dubbo

2.7.10, 2.7.9

org.apache.dubbo:dubbo

2.7.10

Timeline

  1. Publicly disclosed

    Mar 18, 2022

  2. Last updated

    Jul 9, 2026

Weakness Type

  • CWE-94 Improper Control of Generation of Code ('Code Injection')
  • CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

References

FAQ

Common Questions.

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