How severe is CVE-2023-23638?

CVE-2023-23638 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-23638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23638?

CVE-2023-23638 affects Apache Dubbo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23638?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-23638 published?

CVE-2023-23638 was published on 2023-03-08 and last updated on 2026-06-17.

CVE-2023-23638

CVE-2023-23638 is a medium-severity vulnerability in Apache Dubbo with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Apache Dubbo
Published: 2023-03-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-23638?: 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.
How severe is CVE-2023-23638?: CVE-2023-23638 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-23638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23638?: CVE-2023-23638 affects Apache Dubbo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-23638 published?: CVE-2023-23638 was published on 2023-03-08 and last updated on 2026-06-17.

References

https://lists.apache.org/thread/8h6zscfzj482z512d2v5ft63hdhzm0cb

Affected products (1)

cpe:2.3:a:apache:dubbo:*:*:*:*:*:*:*:*

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