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CVE-2021-30180

64
FAUCET Score

CVE-2021-30180 is a critical vulnerability affecting Apache Dubbo versions prior to 2.7.9, where improper parsing of YAML-based Tag routing rules can allow for arbitrary constructor calls. With a CVSS score of 9.8 (Critical), this vulnerability has a network-based attack vector, low attack complexity, and can lead to complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.7.0, < 2.7.10CPE matchmatch criteria
cpe:2.3:a:apache:dubbo:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
60.43%
Probability of exploitation in next 30 days
EPSS Percentile
99.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.6043 is in the 97th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.apache.dubbo:dubboFixed in: 2.7.10

Vendor Advisories (1)

mavenGHSA-7wfc-x4f7-gg2xcritical

Code injection in Apache Dubbo

Mar 18, 2022

References

lists.apache.org / thread.html/raed526465e56204030ddf374b1959478a290e7511971d7aba2e9e39b%40%3Cdev.dubbo.apache.org%3E
Mailing ListVendor Advisory