Original 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.
Known exploited (CISA KEV)
- Added to KEV
- 2026-04-24
- Remediation due (US federal)
- 2026-05-08
- Ransomware use
- Known
- 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.
Details
- Published
- 2025-01-15
- Last modified
- 2026-08-04
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H- EPSS (30-day exploit probability)
- 64.47% (percentile 99)
References
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