CVSS Meta Temp Score

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Current Exploit Price (≈)

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CTI Interest Score

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4.5 $0-$5k 0.81

A vulnerability was found in SourceCodester Card Holder Management System 1.0 and classified as problematic. Affected by this issue is an unknown functionality of the component Minus Value Handler. The manipulation with an unknown input leads to a improper validation of specified quantity in input vulnerability. Using CWE to declare the problem leads to CWE-1284. The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. Impacted is integrity.

The weakness was published 08/20/2023 by Michael Blunt. This vulnerability is handled as CVE-2023-4439. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/13/2023).

It is declared as proof-of-concept.

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




VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔒

CNA Base Score: 4.3
CNA Vector (VulDB): 🔒

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒


Class: Improper validation of specified quantity in input
CWE: CWE-1284 / CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Proof-of-Concept

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

08/20/2023 Advisory disclosed
08/20/2023 +0 days CVE reserved
08/20/2023 +0 days VulDB entry created
09/13/2023 +24 days VulDB last updateAdvisory:
Researcher: Michael Blunt
Status: Not defined

CVE: CVE-2023-4439 (🔒)
scip Labs:

Created: 08/20/2023 08:59
Updated: 09/13/2023 19:21
Changes: 08/20/2023 08:59 (38), 09/13/2023 19:14 (3), 09/13/2023 19:21 (28)
Complete: 🔍
Submitter: mikel22


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