Deserialization Vulnerability in InternLM LMDeploy PT File Handler
CVE-2025-3162

4.8MEDIUM

Key Information:

Vendor
Internlm
Status
Lmdeploy
Vendor
CVE Published:
3 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability exists in the InternLM LMDeploy application affecting versions up to 0.7.1, specifically in the load_weight_ckpt function within the PT File Handler. This flaw can potentially allow for malicious deserialization, making it possible to manipulate how data is processed within the application. Successful exploitation requires local access, and the details of this vulnerability have been publicly disclosed, raising concerns about its potential impact on system security.

Affected Version(s)

LMDeploy 0.7.0

LMDeploy 0.7.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-3162 - Proof of Concept

References

https://vuldb.com/?id.303108
vdb-entrytechnical-description
https://vuldb.com/?ctiid.303108
signaturepermissions-required
https://vuldb.com/?submit.542520
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ybdesire (VulDB User)
.