GHSA-q897-9jxf-jg9r · Severity: critical · Ecosystem: maven — Security check skip in Apache Dubbo
The Dubbo Provider will check the incoming request and the corresponding serialization type of this request meet the configuration set by the server. But there's an exception that the attacker can use to skip the security check (when enabled) and reaching a deserialization operation with native java serialization. Apache Dubbo 2.7.13, 3.0.2 fixed this issue by quickly fail when any unrecognized request was found.
Conclusion & alert: CVE-2021-37579 is rated High Risk (75.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.53%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.64% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 2.89% | 6.53% | +3.64% |
| 2 | 2026-03-10 | 3.83% | 2.89% | -0.94% |
| 3 | 2025-11-21 | — | 3.83% | — |
Full EPSS history (25 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
GHSA-q897-9jxf-jg9r · Severity: critical · Ecosystem: maven — Security check skip in Apache Dubbo
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/r898afa109cdbb4b79724308648ff0718152ebe1d3d6dfc7202d958bc%40%3Cdev.dubbo.apache.org%3E | Mailing List Vendor Advisory |