Is CVE-2023-23638 actively exploited?

No active exploitation of CVE-2023-23638 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-23638 be exploited remotely?

Yes. CVE-2023-23638 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-23638?

CVE-2023-23638 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-23638

CWE-502Published: March 8, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A deserialization vulnerability existed when dubbo generic invoke, which could lead to malicious code execution.

This issue affects Apache Dubbo 2.7.x version 2.7.21 and prior versions; Apache Dubbo 3.0.x version 3.0.13 and prior versions; Apache Dubbo 3.1.x version 3.1.5 and prior versions.

NVD Source

Risk Analysis

Apache Dubbo is affected by a deserialization vulnerability that can lead to remote code execution. This critical flaw allows unauthenticated attackers to execute malicious code via generic invoke calls.

No public exploit is known for this vulnerability, and it is not in the KEV catalog. It is remotely exploitable.

Recommended Action

Users should update to the latest version of Apache Dubbo to address the deserialization flaw.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-23638 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.