Free5GC 4.1.0 event_exposure.go ModifyAMFEventSubscriptionProcedure denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.31+

Summaryinfo

A vulnerability classified as critical was found in Free5GC 4.1.0. Affected is the function ModifyAMFEventSubscriptionProcedure of the file processor/event_exposure.go. The manipulation results in denial of service. This vulnerability is identified as CVE-2026-30050. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Free5GC 4.1.0. It has been classified as critical. Affected is the function ModifyAMFEventSubscriptionProcedure of the file processor/event_exposure.go. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

An issue in the ModifyAMFEventSubscriptionProcedure function (processor/event_exposure.go) of free5gc v4.1.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted PATCH request.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-30050 since 03/04/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/04/2026 CVE reserved
08/27/2026 +175 days Advisory disclosed
08/27/2026 +0 days VulDB entry created
08/27/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-30050 (🔒)
GCVE (CVE): GCVE-0-2026-30050
GCVE (VulDB): GCVE-100-396186

Entryinfo

Created: 08/27/2026 19:35
Changes: 08/27/2026 19:35 (53)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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