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Vulnerability record · CVE-2020-1948 · published 14 July 2020

CVE-2020-1948: Apache dubbo deserialization of untrusted data vulnerability

Apache · Dubbo

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.

9.8 CVSS 3.1 Critical EPSS 16% · top 3.1% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.1 base score, v2 7.5
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread.html/rbaa41711b3e7a8cd20e9013737423ddd079ddc12f90180f86e76523c%40%3Csecurity.dubbo.apach Broken Link
https://nsfocusglobal.com/apache-dubbo-remote-code-execution-vulnerability-cve-2020-1948-threat-alert/ Third Party Advisory
https://lists.apache.org/thread.html/rbaa41711b3e7a8cd20e9013737423ddd079ddc12f90180f86e76523c%40%3Csecurity.dubbo.apach Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-1948), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.