How severe is CVE-2023-39106?

CVE-2023-39106 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-39106 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39106?

CVE-2023-39106 affects Alibabacloud Nacos Spring Project. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39106?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-39106 published?

CVE-2023-39106 was published on 2023-08-21 and last updated on 2026-06-17.

CVE-2023-39106

CVE-2023-39106 is a high-severity vulnerability in Alibabacloud Nacos Spring Project with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Alibabacloud Nacos Spring Project
Published: 2023-08-21
Last modified: 2026-06-17

Description

An issue in Nacos Group Nacos Spring Project v.1.1.1 and before allows a remote attacker to execute arbitrary code via the SnakeYamls Constructor() component.

Frequently asked questions

What is CVE-2023-39106?: An issue in Nacos Group Nacos Spring Project v.1.1.1 and before allows a remote attacker to execute arbitrary code via the SnakeYamls Constructor() component.
How severe is CVE-2023-39106?: CVE-2023-39106 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-39106 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39106?: CVE-2023-39106 affects Alibabacloud Nacos Spring Project. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39106?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-39106 published?: CVE-2023-39106 was published on 2023-08-21 and last updated on 2026-06-17.

References

https://github.com/nacos-group/nacos-spring-project/issues/314

Affected products (1)

cpe:2.3:a:alibabacloud:nacos_spring_project:*:*:*:*:*:*:*:*

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