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
Published Jan 15, 2025 ·Due May 8, 2026
7.2
HIGHCVSS 3.1
EPSS 64.66%
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.
Affected products
No data.
- < 5.5.8
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
Date Added
Apr 24, 2026
Patch Due
May 8, 2026
Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Apr 24, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 64.66% (0.64664) | 99.22th | v5 (v2026.06.15) |
| Sep 20, 2026 | 6.98% (0.06982) | 93.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.55% (0.07549) | 93.71th | v5 (v2026.06.15) |
| Jun 1, 2026 | 53.88% (0.53880) | 98.05th | v4 (v2025.03.14) |
| May 22, 2026 | 52.43% (0.52426) | 97.97th | v4 (v2025.03.14) |
| Apr 28, 2026 | 59.33% (0.59327) | 98.25th | v4 (v2025.03.14) |
| Apr 25, 2026 | 50.59% (0.50587) | 97.86th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.47% (0.01467) | 79.26th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.18% (0.00181) | 37.53th | v4 (v2025.03.14) |
| Jan 16, 2025 | 0.04% (0.00043) | 11.29th | v3 (v2023.03.01) |
References (5)
- https://simple-help.com/kb---security-vulnerabilities-01-2025#security-vulnerabilities-in-simplehelp-5-5-7-and-earlier Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-57728 government-resourceUS Government Resource
- https://www.horizon3.ai/attack-research/disclosures/critical-vulnerabilities-in-simplehelp-remote-support-software/ Third Party Advisory
- 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-advisoryTechnical Description
- https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-dragonforce third-party-advisoryThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://simple-help.com/kb---security-vulnerabilities-01-2025#security-vulnerabilities-in-simplehelp-5-5-7-and-earlier | Vendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-57728 | government-resourceUS Government Resource | |
| https://www.horizon3.ai/attack-research/disclosures/critical-vulnerabilities-in-simplehelp-remote-support-software/ | Third Party Advisory | |
| 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-advisoryTechnical Description | |
| https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-dragonforce | third-party-advisoryThird Party Advisory |
Change history (0)
No recorded changes yet.