CVE-2020-1948

Name: CVE-2020-1948
Creator: NVD / NIST
Published: 2020-07-14T14:15:17.79+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 13.95%

Last modified Jun 17, 2026

CVE-2020-1948 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 13.95% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

13.95%

96.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Apache	Dubbo	>= 2.5.0, <= 2.5.10
Apache	Dubbo	>= 2.6.0, <= 2.6.7
Apache	Dubbo	>= 2.7.0, <= 2.7.6

References

Timeline

Published: Jul 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1948?

How severe is CVE-2020-1948?

CVE-2020-1948 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 13.95% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1948?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1948?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST