SimpleHelp Remote Support Software up to 5.5.7 ZIP File unrestricted upload

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in SimpleHelp Remote Support Software up to 5.5.7. It has been rated as critical. The affected element is an unknown function of the component ZIP File Handler. Performing a manipulation results in unrestricted upload. This vulnerability is cataloged as CVE-2024-57728. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in SimpleHelp Remote Support Software up to 5.5.7. This affects an unknown function of the component ZIP File 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. The summary by CVE is:

SimpleHelp remote support software v5.5.7 and before allows admin users to upload arbitrary files anywhere on the file system by uploading a crafted zip file (i.e. zip slip). This can be exploited to execute arbitrary code on the host in the context of the SimpleHelp server user.

The advisory is shared at horizon3.ai. This vulnerability is uniquely identified as CVE-2024-57728 since 01/09/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are needed for exploitation. Technical details are unknown but an exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 233191 (Security Updates for SimpleHelp < 5.5.8), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 04/24/2026 with a due date of 05/08/2026:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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 databases at Tenable (233191) and EUVD (EUVD-2024-53726). 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: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.7
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector (MITRE): 🔍

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: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 233191
Nessus Name: Security Updates for SimpleHelp < 5.5.8

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/09/2025 🔍
01/16/2025 +7 days 🔍
01/16/2025 +0 days 🔍
05/14/2026 +483 days 🔍

Sourcesinfo

Advisory: horizon3.ai
Status: Confirmed

CVE: CVE-2024-57728 (🔍)
GCVE (CVE): GCVE-0-2024-57728
GCVE (VulDB): GCVE-100-292089
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/16/2025 07:12
Updated: 05/14/2026 23:03
Changes: 01/16/2025 07:12 (53), 01/16/2025 12:15 (1), 02/01/2025 04:10 (20), 03/21/2025 22:10 (2), 06/30/2025 00:26 (1), 04/24/2026 21:21 (15), 05/14/2026 23:03 (1)
Complete: 🔍
Cache ID: 216::103

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

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