Is CVE-2024-57728 in the CISA KEV catalog?

Yes. CVE-2024-57728 is on the CISA Known Exploited Vulnerabilities list, added 2026-04-24, and has known ransomware campaign use.

What is the CVSS severity of CVE-2024-57728?

CVE-2024-57728 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2024-57728?

CVE-2024-57728 has an EPSS score of 6.98% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-57728?

Upgrade simplehelp to 5.5.8 or later.

CVE & CISA-KEV Catalog

CVE-2024-57728

HIGHCISA KEVEPSS 93th pctl

7.2

CVSS v3

NVD

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.

CWE-59Link Following CWE-22Path Traversal

How to fix

Remediation Available

simplehelpNVD

Affected:< 5.5.8Fixed in:5.5.8CVE-2024-57728derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

6.98%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-05-08

Associated with ransomware campaigns

References

Vendor Advisory1

simple-help.com

Third-Party Advisory2

Government Resource1

cisa.gov

Technical Description1

microsoft.com

Related Vulnerabilities

Other CWE-59 (Link Following) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-30333	High	7.5	99%	KEV + Ransom	Fix
CVE-2021-21300	High	8.0	89%	-	Fix
CVE-2021-32610	High	7.1	73%	-	Fix
CVE-2020-36193	High	7.5	71%	KEV	Fix
CVE-2023-40028	Medium	4.9	58%	-	Fix
CVE-2023-36874	High	7.8	43%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-24.