Free5GC 1.4.0 ampolicy.go HandleDeletePoliciesPolAssoId null pointer dereference

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Free5GC 1.4.0. It has been rated as problematic. Impacted is the function HandleDeletePoliciesPolAssoId of the file internal/sbi/processor/ampolicy.go. Performing a manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2025-66720. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Free5GC 1.4.0. It has been classified as problematic. This affects the function HandleDeletePoliciesPolAssoId of the file internal/sbi/processor/ampolicy.go. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

Null pointer dereference in free5gc pcf 1.4.0 in file internal/sbi/processor/ampolicy.go in function HandleDeletePoliciesPolAssoId.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-66720 since 12/08/2025. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Free5GC

Version

1.4.0

Website

Product: https://github.com/free5gc/free5gc/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔒

CVSSv2info

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💳	💳	💳	💳	💳	💳
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: github.com

Timelineinfo

12/08/2025 CVE reserved
01/23/2026 +46 days Advisory disclosed
01/23/2026 +0 days VulDB entry created
02/12/2026 +20 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 726
Status: Confirmed

CVE: CVE-2025-66720 (🔒)
GCVE (CVE): GCVE-0-2025-66720
GCVE (VulDB): GCVE-100-342699

Entryinfo

Created: 01/23/2026 18:46
Updated: 02/12/2026 01:57
Changes: 01/23/2026 18:46 (56), 02/12/2026 01:57 (11)
Complete: 🔍
Cache ID: 216::103