CVE-2021-30180

mediumpriority · attend · 70EPSS 0.603 · 99 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

60.3% (99th) EPSS

CVSS 6.8 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-26

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.8–9.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-444USprimaryCWE-444USCWE-94US

exploits (1)

Public proof-of-concept and weaponised exploit code.

shoucheng3/apache__dubbo_CVE-2021-30180_2-7-9shoucheng3/apache__dubbo_CVE-2021-30180_2-7-9PoC · poc_in_github

affected products (3)

Products and version ranges known to be affected.

Apache Software Foundation Apache DubboApache Dubbo 2.7.x → 2.7.9enisa_euvdEU
apache dubbo2.7.0 → 2.7.10nvdUScpe:2.3:a:apache:dubbo:*:*:*:*:*:*:*:*
Maven org.apache.dubbo:dubbo2.7.0 → 2.7.10osvUSpkg:maven/org.apache.dubbo/dubbo

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-7wfc-x4f7-gg2xCode injection in Apache Dubbo2022-03-18ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2021-06-01modified 2026-06-17

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+546 more

references (3)

External citations — patches, advisories, analysis.

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