ZKSoftware Biometric Security Solutions UFace 5 up to 12022024 authentication bypass

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.
9.8$0-$5k0.00

Summaryinfo

A vulnerability marked as very critical has been reported in ZKSoftware Biometric Security Solutions UFace 5 up to 12022024. Impacted is an unknown function. Performing a manipulation results in authentication bypass. This vulnerability is reported as CVE-2023-7103. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in ZKSoftware Biometric Security Solutions UFace 5 up to 12022024. It has been classified as very critical. This affects an unknown code. The manipulation with an unknown input leads to a authentication bypass vulnerability. CWE is classifying the issue as CWE-305. The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Authentication Bypass by Primary Weakness vulnerability in ZKSoftware Biometric Security Solutions UFace 5 allows Authentication Bypass. This issue affects UFace 5: through 12022024.

The weakness was disclosed 03/05/2024 by Efe Özel. The advisory is shared at usom.gov.tr. This vulnerability is uniquely identified as CVE-2023-7103 since 12/25/2023. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/20/2026).

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

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

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Authentication bypass
CWE: CWE-305 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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

12/25/2023 🔍
03/05/2024 +71 days 🔍
03/05/2024 +0 days 🔍
05/20/2026 +806 days 🔍

Sourcesinfo

Advisory: usom.gov.tr
Researcher: Efe Özel
Status: Not defined

CVE: CVE-2023-7103 (🔍)
GCVE (CVE): GCVE-0-2023-7103
GCVE (VulDB): GCVE-100-255777

Entryinfo

Created: 03/05/2024 14:37
Updated: 05/20/2026 19:14
Changes: 03/05/2024 14:37 (46), 03/05/2025 00:14 (16), 05/20/2026 19:14 (1)
Complete: 🔍
Cache ID: 216::103

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

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