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Vulnerability record · CVE-2021-25640 · published 1 June 2021

CVE-2021-25640: Apache dubbo server-side request forgery (ssrf) vulnerability

Apache · Dubbo

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.

6.1 CVSS 3.1 Medium EPSS 2.1% · top 19.3% CWE-918 · Server-side request forgery (SSRF)CWE-601 · Open redirect
6.1CVSS 3.1 base score, v2 5.8
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org Mailing ListVendor Advisory
https://lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org Mailing ListVendor Advisory
https://lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org Mailing ListVendor Advisory
https://lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org Mailing ListVendor Advisory
https://lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org Mailing ListVendor Advisory
https://lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org Mailing ListVendor Advisory
https://lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org Mailing ListVendor Advisory
https://lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org Mailing ListVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-25640), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.