VDB-236085 · CVE-2023-33363 · EUVD-2023-37526

Suprema BioStar 2 up to 2.9.0 improper authentication

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Suprema BioStar 2 up to 2.9.0 and classified as critical. This vulnerability affects unknown code. Performing a manipulation results in improper authentication. This vulnerability is known as CVE-2023-33363. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Suprema BioStar 2 up to 2.9.0. It has been classified as critical. This affects an unknown part. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An authentication bypass vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows unauthenticated users to access some functionality on BioStar 2 servers.

The weakness was published 08/03/2023. The advisory is shared at claroty.com. This vulnerability is uniquely identified as CVE-2023-33363 since 05/22/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.9.1 eliminates this vulnerability. The upgrade is hosted for download at kb.supremainc.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-37526). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Suprema

Name

BioStar 2

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

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: Improper authentication
CWE: CWE-287
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: BioStar 2 2.9.1

Timelineinfo

05/22/2023 🔍
08/03/2023 +73 days 🔍
08/03/2023 +0 days 🔍
01/04/2026 +885 days 🔍

Sourcesinfo

Advisory: claroty.com
Status: Confirmed

CVE: CVE-2023-33363 (🔍)
GCVE (CVE): GCVE-0-2023-33363
GCVE (VulDB): GCVE-100-236085
EUVD: 🔍

Entryinfo

Created: 08/03/2023 22:22
Updated: 01/04/2026 06:27
Changes: 08/03/2023 22:22 (40), 08/26/2023 10:03 (11), 01/04/2026 06:27 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.