What is the CVSS score of CVE-2023-48886?

CVE-2023-48886 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2023-48886?

Yes, a public proof-of-concept exploit is available for CVE-2023-48886. Prioritise patching immediately. EPSS: 1.4%.

Nettyrpc CVE-2023-48886

CRITICAL

Deserialization of Untrusted Data (CWE-502)

2023-12-01 cve@mitre.org

Deserialization Nettyrpc

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 01, 2023 - 23:15 nvd

CRITICAL 9.8

DescriptionNVD

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

AnalysisAI

A deserialization vulnerability in NettyRpc v1.2 allows attackers to execute arbitrary commands via sending a crafted RPC request. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. A deserialization vulnerability in NettyRpc v1.2 allows attackers to execute arbitrary commands via sending a crafted RPC request. Affected products include: Luxiaoxun Nettyrpc.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.