Denial of Service Vulnerability in Open5GS UDM Subscriber Data Management
CVE-2025-1893

5.3MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
4 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-1893?

A vulnerability exists in Open5GS, particularly in the UDM Subscriber Data Management component, that affects the function gmm_state_authentication. This issue can lead to a denial of service condition, allowing attackers to potentially disrupt service availability through remote exploitation. The public disclosure of this vulnerability necessitates immediate attention and mitigation, with a patch (commit e31e9965f00d9c744a7f728497cb4f3e97744ee8) available to address the security flaw.

Affected Version(s)

Open5GS 2.7.0

Open5GS 2.7.1

Open5GS 2.7.2

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-2025-1893 - Proof of Concept

References

https://vuldb.com/?id.298411
vdb-entrytechnical-description
https://vuldb.com/?ctiid.298411
signaturepermissions-required
https://vuldb.com/?submit.505952
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
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

EnginerStaticPower (VulDB User)
.