CVE-2024-57728

HIGH KEV RANSOMWARE

Simple-help Simplehelp < 5.5.8 - Symlink Following

Title source: rule

Description

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.

References (5)

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-57728

[Technical Description] https://www.microsoft.com/en-us/security/blog/2026/04/06/storm-1175-focuses-gaze-on-vulnerable-web-facing-assets-in-high-tempo-medusa-ransomware-operations/

[Third Party Advisory] https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-dragonforce

[Vendor Advisory] https://simple-help.com/kb---security-vulnerabilities-01-2025#security-vulnerabilities-in-simplehelp-5-5-7-and-earlier

[Third Party Advisory] https://www.horizon3.ai/attack-research/disclosures/critical-vulnerabilities-in-simplehelp-remote-support-software/

Scores

CVSS v3 7.2

EPSS 0.0117

EPSS Percentile 78.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2026-04-24

VulnCheck KEV 2025-04-17

Ransomware Use Confirmed

CWE

CWE-22 CWE-59

Status published

Products (1)

simple-help/simplehelp < 5.5.8

Published Jan 15, 2025

KEV Added Apr 24, 2026

Tracked Since Feb 18, 2026