VDB-231513 · CVE-2023-3227 · EUVD-2023-43903

fossbilling up to 0.4.x insufficient granularity of access control

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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in fossbilling up to 0.4.x. The impacted element is an unknown function. Performing a manipulation results in insufficient granularity of access control. This vulnerability was named CVE-2023-3227. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in fossbilling up to 0.4.x (Billing Software). It has been classified as critical. This affects some unknown functionality. The manipulation with an unknown input leads to a insufficient granularity of access control vulnerability. CWE is classifying the issue as CWE-1220. The product implements access controls via a policy or other feature with the intention to disable or restrict accesses (reads and/or writes) to assets in a system from untrusted agents. However, implemented access controls lack required granularity, which renders the control policy too broad because it allows accesses from unauthorized agents to the security-sensitive assets. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Insufficient Granularity of Access Control in GitHub repository fossbilling/fossbilling prior to 0.5.0.

The weakness was presented 06/14/2023. The advisory is shared at huntr.dev. This vulnerability is uniquely identified as CVE-2023-3227 since 06/14/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 0.5.0 eliminates this vulnerability. Applying the patch b65a75fcf70feaf547d414672f78d7cbe8a98e7e is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-43903). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Billing Software

Name

fossbilling

Version

License

open-source

Website

Product: https://github.com/fossbilling/fossbilling/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (huntr.dev): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Insufficient granularity of access control
CWE: CWE-1220 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: fossbilling 0.5.0
Patch: b65a75fcf70feaf547d414672f78d7cbe8a98e7e

Timelineinfo

06/14/2023 🔍
06/14/2023 +0 days 🔍
06/14/2023 +0 days 🔍
01/26/2026 +957 days 🔍

Sourcesinfo

Product: github.com

Advisory: b65a75fcf70feaf547d414672f78d7cbe8a98e7e
Status: Confirmed

CVE: CVE-2023-3227 (🔍)
GCVE (CVE): GCVE-0-2023-3227
GCVE (VulDB): GCVE-100-231513
EUVD: 🔍

Entryinfo

Created: 06/14/2023 09:21
Updated: 01/26/2026 19:40
Changes: 06/14/2023 09:21 (50), 07/13/2023 10:07 (1), 01/26/2026 19:40 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.