Denial of Service Vulnerability in Open5GS by Open5GS
CVE-2025-15419

4.8MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
2 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15419?

A vulnerability exists in Open5GS versions up to 2.7.6, specifically affecting the function responsible for handling session responses within the GTPv2-C Flow Handler. An attacker exploiting this weakness locally may lead to a denial of service condition. The exploit has been made publicly available, necessitating immediate action. Users are strongly advised to implement the provided patch (5aaa09907e7b9e0a326265a5f08d56f54280b5f2) to remediate this issue and protect their systems.

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-2025-15419 - Proof of Concept

References

https://vuldb.com/?id.339341
vdb-entrytechnical-description
https://vuldb.com/?ctiid.339341
signaturepermissions-required
https://vuldb.com/?submit.728044
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
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

LinZiyu (VulDB User)
JSON
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CVE-2025-15419 : Denial of Service Vulnerability in Open5GS by Open5GS