What is CVE-2021-25640?

CVE-2021-25640 is a medium-severity vulnerability in Apache Dubbo, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.1/10. Published 2021-06-01.

How severe is CVE-2021-25640?

Medium severity. CVSS v3 base score is 6.1 out of 10.

SSRF in Apache Dubbo

CVE-2021-25640

In Apache Dubbo prior to 2.6.9 and 2.7.9, the usage of parseURL method will lead to the bypass of white host check which can cause open redirect or SSRF vulnerability.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.021 (79.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Apache Dubbo
Apache Software Foundation Dubbo — versions Apache Dubbo 2.7.x, Apache Dubbo 2.6.x

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)
CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-25640?: CVE-2021-25640 is a medium-severity vulnerability in Apache Dubbo, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.1/10. Published 2021-06-01.
How severe is CVE-2021-25640?: Medium severity. CVSS v3 base score is 6.1 out of 10.