Vulnerability in Apache Dubbo
CVE-2021-30181
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.609 (99.1th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.609 · newest: 0.609 · change: 0.000
Affected products
- Apache Dubbo
- Apache Software Foundation Dubbo — versions Apache Dubbo 2.7.x, Apache Dubbo 2.6.x
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/re22410dc704a09bc7032ddf15140cf5e7df3e8ece390fc903… (Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30181?
- CVE-2021-30181 is a critical-severity vulnerability in Apache Dubbo. CVSS score: 9.8/10. Published 2021-06-01.
- How severe is CVE-2021-30181?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-30181 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.