VulnTideExploited vulnerabilities, by vendor. Data as of 28 Oct 2026.
Known exploitedIn CISA's KEV catalog since 24 April 2026Ransomware use: known
SimpleHelp SimpleHelp

CVE-2024-57728: SimpleHelp Path Traversal Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 24 Apr 2026, 464 days after the CVE record was published.

How likely is exploitation in the next 30 days?
64.5%

EPSS score, percentile 99.2 of all scored records

How severe?
7.2 High

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

Required action (CISA), due 8 May 2026: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Not stated. The CVE record gives vendor and product as “n/a” and the version as “unspecified”.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

Required action, set by CISA

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 due date for this action: 8 May 2026.

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

Affected products and versions

The CVE record does not name affected products or versions: vendor and product are “n/a” and the version is “unspecified”.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

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.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

  • CISA added CVE-2024-57728 to its Known Exploited Vulnerabilities (KEV) catalog on 24 Apr 2026.
  • CISA marks it as known to be used in ransomware campaigns.
  • The due date CISA sets for the required action is 8 May 2026.
  • The CVE record was published on 15 Jan 2025, 464 days before it was added to KEV.
  • The CVE record carries a CVSS v3.1 base score of 7.2 (High), taken from CISA's enrichment of the record.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 64.5% (percentile 99.2), as of 28 Oct 2026.
  • CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

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.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

DateEvent
15 Jan 2025CVE record published
24 Apr 2026Added to CISA KEV
8 May 2026CISA due date for the required action
4 Aug 2026CVE record last updated

References

More exploited SimpleHelp vulnerabilities

  • CVE-2026-48558: SimpleHelp Authentication Bypass Vulnerability (added 29 Jun 2026)
  • CVE-2024-57726: SimpleHelp Missing Authorization Vulnerability (added 24 Apr 2026)
  • CVE-2024-57727: SimpleHelp Path Traversal Vulnerability (added 13 Feb 2025)