CVE-2021-25640

CVE-2021-25640 is a medium-severity vulnerability in Apache Dubbo with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-25640?
CVE-2021-25640 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-25640 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25640?
CVE-2021-25640 affects Apache Dubbo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25640?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25640 published?
CVE-2021-25640 was published on 2021-06-01 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Apache Dubbo

All CVEs affecting Apache Dubbo →

Other CWE-601 (Open Redirect) vulnerabilities

Browse all CWE-601 (Open Redirect) vulnerabilities →