CVE-2021-25640
Open Redirect or SSRF vulnerability usage of parseURL
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-25640- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-918, CWE-601
- Updated
- 2026-11-02
CVE List No score
Open Redirect or SSRF vulnerability usage of parseURL
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.
- Record
CVE-2021-25640- Weakness
- CWE-918
- Updated
- 2026-11-02
EUVDEUVD-2022-1431 No score
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.
- Record
EUVD-2022-1431- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gw4j-4229-q4px
Server-Side Request Forgery in Apache Dubbo
In Apache Dubbo prior to 2.6.9 and 2.7.10, the usage of parseURL method will lead to the bypass of white host check which can cause open redirect or SSRF vulnerability.
- Record
GHSA-gw4j-4229-q4px- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-601, CWE-918
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-25640- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-gw4j-4229-q4px
Server-Side Request Forgery in Apache Dubbo
In Apache Dubbo prior to 2.6.9 and 2.7.10, the usage of parseURL method will lead to the bypass of white host check which can cause open redirect or SSRF vulnerability.
- Record
GHSA-gw4j-4229-q4px- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-601, CWE-918
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.dubbo:dubboMaven |
2.5.0 up to 2.7.10 | 2.7.10 |
com.alibaba:dubboMaven |
2.5.0 up to 2.6.9 | 2.6.9 |
org.apache.dubbo:dubboMaven |
2.5.0 up to 2.7.10, plus listed versions 2.7.02.7.12.7.22.7.32.7.4 Show 6 moreShow less2.7.4.12.7.52.7.62.7.72.7.82.7.9 |
2.7.10 |
com.alibaba:dubboMaven |
2.5.0 up to 2.6.9, plus listed versions 2.5.12.5.102.5.22.5.32.5.4 Show 14 moreShow less2.5.52.5.62.5.72.5.82.5.92.6.02.6.12.6.22.6.32.6.42.6.52.6.62.6.72.6.8 |
2.6.9 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25640 is a medium vulnerability (CVSS 6.1) in Apache Dubbo, published May 31, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.07%, the 81st percentile. Fixed in org.apache.dubbo:dubbo 2.7.10.
References
lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2021-25640
github.com/advisories/GHSA-gw4j-4229-q4px