CVE-2020-1948

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 16.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-14 · updated 2026-06-17
Weakness: CWE-502

Description

This vulnerability can affect all Dubbo users stay on version 2.7.6 or lower. An attacker can send RPC requests with unrecognized service name or method name along with some malicious parameter payloads. When the malicious parameter is deserialized, it will execute some malicious code. More details can be found below.

Affected products

Apache Software Foundation Apache Dubbo: from 2.5.0 through 2.5.10; from 2.6.0 through 2.6.7; from 2.7.0 through 2.7.6

References

https://lists.apache.org/thread.html/rbaa41711b3e7a8cd20e9013737423ddd079ddc12f90180f86e76523c%40%3Csecurity.dubbo.apache.org%3E
https://nsfocusglobal.com/apache-dubbo-remote-code-execution-vulnerability-cve-2020-1948-threat-alert/
https://lists.apache.org/thread.html/rbaa41711b3e7a8cd20e9013737423ddd079ddc12f90180f86e76523c%40%3Csecurity.dubbo.apache.org%3E

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