CVE-2024-57728

SimpleHelp remote code execution, confirmed exploited in the wild.

SimpleHelp contains a path traversal vulnerability that 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.

Check your domain free How we watch for this

64%chance of exploitation in the next 30 days (EPSS), 99th percentile

24 Apradded to CISA's Known Exploited Vulnerabilities list, 2026

8 Mayfederal remediation deadline, already passed

Passedpast the deadline: patch now

CISA's name for it	SimpleHelp Path Traversal Vulnerability
Vendor and product	SimpleHelp · SimpleHelp
Type	remote code execution · CWE-22
Exploited	Confirmed by CISA listed 24 April 2026
Likelihood	one of the most likely to be exploited of every vulnerability tracked
Deadline	8 May 2026 · already passed
Used in ransomware	Yes: CISA reports it used in ransomware campaigns
Advisories	simple-help.com ↗ · nvd.nist.gov ↗

What to do

Three steps, in this order

Step 1

Patch to the fixed version the vendor names, today if the product faces the internet.

Step 2

Until it is patched, take the affected service off the internet or put it behind a VPN or allow-list.

Step 3

Look for signs it was already used: new accounts, web shells, unexpected processes and outbound connections since the date it was listed.

CISA's 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.

Is it on your estate?

Know before someone else finds it

Threat Landscape Monitoring fingerprints the software your internet-facing hosts disclose and matches it, every day, against this list and the exploitation scores. When a new entry touches something you run, you are told once, with the host and the fix. The free plan covers one domain.

Start free with one domain Run the free domain check

Questions

CVE-2024-57728 in short

Is CVE-2024-57728 being exploited?

Yes. CISA added CVE-2024-57728 to its Known Exploited Vulnerabilities catalogue on 24 April 2026, which it does only on evidence of exploitation in the wild.

What is the CISA deadline for CVE-2024-57728?

US federal agencies must remediate it by 8 May 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.

How likely is CVE-2024-57728 to be exploited in the next 30 days?

FIRST's Exploit Prediction Scoring System gives it 64%, the 99th percentile of every CVE it scores.

How do I fix CVE-2024-57728?

Patch to the fixed version the vendor names, today if the product faces the internet. Until it is patched, take the affected service off the internet or put it behind a VPN or allow-list. Look for signs it was already used: new accounts, web shells, unexpected processes and outbound connections since the date it was listed.

Same vendor

Other SimpleHelp vulnerabilities being exploited

CVE	Product	Type	Listed
CVE-2026-48558	SimpleHelp	authentication bypass	29 June 2026
CVE-2024-57726	SimpleHelp	privilege escalation	24 April 2026

Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.