CVE-2021-30180 in the critical feed json
Apache Dubbo RCE on customers via Condition route poisoning (Unsafe YAML unmarshaling)
published 2021-05-31 5 y ago modified 2026-06-17 4 mo ago also GHSA-7wfc-x4f7-gg2x , EUVD-2022-1367
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 60.3%
- EPSS 60.3% chance of exploitation in 30 days, percentile 99.1%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven org.apache.dubbo:dubbo 2.7.10
- Apache Software Foundation Apache Dubbo 2.7.9
Exploit prediction
60.28% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.dubbo:dubbo | >=2.7.0, <2.7.10 |
2.7.10 |
Affected products
- Apache Software Foundation Apache Dubbo
Classification
References
-
lists.apache.org
/thread.html/raed526465e56204030ddf374b1959478a290e7511971d7aba2e9e39b%40%3Cdev.dubbo.apache.org%3E
web, mailing-list, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-30180
advisory
Sources
- CVE List CVE-2021-30180
- GitHub Advisory GHSA-7wfc-x4f7-gg2x
- NVD CVE-2021-30180
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