CVE-2020-1948

critical

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.

References

https://github.com/advisories/GHSA-whww-v56c-cgv2

https://securitylab.github.com/research/apache-dubbo/

https://github.com/L0kiii/Dubbo-deserialization

https://github.com/txrw/Dubbo-CVE-2020-1948

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-1230

Details

Source: Mitre, NVD

Published: 2020-07-14

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.16441