Informática del Este WinPlus 24.11.27 POST Request uploadfile unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Informática del Este WinPlus 24.11.27 and classified as critical. Affected by this issue is some unknown functionality of the file /WinplusPortal/ws/sWinplus.svc/json/uploadfile of the component POST Request Handler. The manipulation results in unrestricted upload. This vulnerability is cataloged as CVE-2025-41347. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Informática del Este WinPlus 24.11.27. Affected is an unknown code of the file /WinplusPortal/ws/sWinplus.svc/json/uploadfile of the component POST Request Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Unlimited upload vulnerability for dangerous file types in WinPlus v24.11.27 from Informática del Este. This vulnerability allows an attacker to upload a 'webshell' by sending a POST request to '/WinplusPortal/ws/sWinplus.svc/json/uploadfile'.

The weakness was shared by Antonio Moreno Gómez. The advisory is shared for download at incibe.es. This vulnerability is traded as CVE-2025-41347 since 04/16/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/20/2025). The MITRE ATT&CK project declares the attack technique as T1608.002.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-197979). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

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

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / 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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
11/18/2025 +216 days Advisory disclosed
11/18/2025 +0 days VulDB entry created
11/20/2025 +2 days VulDB entry last update

Sourcesinfo

Advisory: incibe.es
Researcher: Antonio Moreno Gómez
Status: Not defined

CVE: CVE-2025-41347 (🔒)
GCVE (CVE): GCVE-0-2025-41347
GCVE (VulDB): GCVE-100-332784
EUVD: 🔒

Entryinfo

Created: 11/18/2025 12:48
Updated: 11/20/2025 12:06
Changes: 11/18/2025 12:48 (67), 11/18/2025 13:59 (1), 11/20/2025 12:06 (11)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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