What is CVE-2024-57728?

CVE-2024-57728 is a high-severity vulnerability in Simple-Help Simplehelp, classified under Improper Link Resolution Before File Access. CVSS score: 7.2/10. Published 2025-01-15.

How severe is CVE-2024-57728?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2024-57728 known to be exploited?

Yes. CVE-2024-57728 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-04-24), indicating it is being actively exploited. 1 public proof-of-concept repositories are indexed.

Path Traversal in Simple-Help Simplehelp

CVE-2024-57728

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.

Published 2025-01-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.647 (99.2th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.070 · newest: 0.647 · change: +0.577

Affected products

Simple-Help Simplehelp

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2026-04-24. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2026-05-08.

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.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

nvn1729/advisories

References

www.horizon3.ai/attack-research/disclosures/critical-vulnerabilities-in-simpleh… (Third Party Advisory)
simple-help.com/kb---security-vulnerabilities-01-2025 (Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Technical Description)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory)

Frequently asked questions

What is CVE-2024-57728?: CVE-2024-57728 is a high-severity vulnerability in Simple-Help Simplehelp, classified under Improper Link Resolution Before File Access. CVSS score: 7.2/10. Published 2025-01-15.
How severe is CVE-2024-57728?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2024-57728 known to be exploited?: Yes. CVE-2024-57728 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-04-24), indicating it is being actively exploited. 1 public proof-of-concept repositories are indexed.