How severe is CVE-2023-48886?

CVE-2023-48886 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-48886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48886?

CVE-2023-48886 affects Luxiaoxun Nettyrpc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48886?

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

When was CVE-2023-48886 published?

CVE-2023-48886 was published on 2023-12-01 and last updated on 2026-06-17.

CVE-2023-48886

CVE-2023-48886 is a critical-severity vulnerability in Luxiaoxun Nettyrpc with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Luxiaoxun Nettyrpc
Published: 2023-12-01
Last modified: 2026-06-17

Description

A deserialization vulnerability in NettyRpc v1.2 allows attackers to execute arbitrary commands via sending a crafted RPC request.

Frequently asked questions

What is CVE-2023-48886?: A deserialization vulnerability in NettyRpc v1.2 allows attackers to execute arbitrary commands via sending a crafted RPC request.
How severe is CVE-2023-48886?: CVE-2023-48886 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-48886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48886?: CVE-2023-48886 affects Luxiaoxun Nettyrpc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48886?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-48886 published?: CVE-2023-48886 was published on 2023-12-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:luxiaoxun:nettyrpc:1.2:*:*:*:*:*:*:*

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