Is CVE-2020-1948 actively exploited?

No active exploitation of CVE-2020-1948 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-1948 be exploited remotely?

Yes. CVE-2020-1948 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-1948?

CVE-2020-1948 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2020-1948

CWE-502Published: July 14, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-1948 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.