CVE-2024-57728: SimpleHelp SimpleHelp exploited

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

What it is

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.

Description quoted from the CVE record (assigned by mitre, published 2025-01-15).

Weakness: CWE-22 Improper Limitation of a Pathname to a Restricted Directory (‘Path Traversal’)

How it can be exploited

Exploitable over the network with low attack complexity needing high privileges and no user interaction. Impact: confidentiality high, integrity high, availability high. CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: no. Technical impact: total.

On CISA KEV since: 2026-04-24
US federal deadline: 2026-05-08
Ransomware use: Yes

Public exploit evidence (Exploit Observer)

Also known as: BDU:2025-00726, CNNVD-202501-2290, EUVD-2024-53726, GHSA-mchm-7mqx-7299

VEDAS cluster: VEDAS:FLASHWATER

Exploit Observer links 6 pieces of public exploit code or detection modules that name this CVE or one of its aliases.

Exploit code and modules (6)

Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.

Vulnerability databases and vendor advisories (5)

Catalogue entries, not exploit evidence.

Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2024-53726
Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-mchm-7mqx-7299
Vulnerability database or vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-57728
Vulnerability database or vendor advisory: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-57728
Vulnerability database or vendor advisory: https://www.cnnvd.org.cn/home/globalSearch?keyword=CNNVD-202501-2290

56 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.

VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.

Live scores

EPSS: 0.645
very likely to be attacked soon
VEDAS: 0.984
strong exploit evidence
On CISA KEV: Yes, since 2026-04-24
Detection rule: Nuclei · Suricata

EPSS (chance of attack)

VEDAS (exploit evidence)

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish. The vertical line is the day CISA added it to its exploited list.

Who is affected

Product	Affected	Not affected
Not stated	version n/a	Not stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

How to fix it

CISA 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.

Vendor guidance:

How to detect it

Nuclei template (active check)

SimpleHelp remote support - Link Following
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.

Name and description quoted from the template, written by VEDAS.

The template sends 1 request (GET /allversions); it decides using dsl, regex, status, word matchers. Severity in the template: high. Marked as not yet verified against a live vulnerable target.

Run it against a host you own or are authorised to test:

bash

nuclei -u https://your-host -t CVE-2024-57728.yaml

Show the template (51 lines)

yaml

id: CVE-2024-57728

info:
  name: "SimpleHelp remote support - Link Following"
  author: vedas-arpsyndicate
  severity: high
  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.
  reference:
    - https://www.exploit.observer/?keyword=CVE-2024-57728&match=exact
    - https://subdomain.center/?engine=ammonites&keyword=simplehelp&match=exact
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 7.2
    cve-id: CVE-2024-57728
    cwe-id: CWE-59
  metadata:
    verified: false
  tags: cve,cve2024,simple-help,simplehelp,kev,passive,vkev
http:
  - method: GET
    path:
      - "{{BaseURL}}/allversions"

    extractors:
      - type: regex
        part: body
        group: 1
        name: version
        regex:
          - 'Visual Version:\s*([0-9]+\.[0-9]+(?:\.[0-9]+)?)'
        internal: true

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "SH Version"
          - "Visual Version"
        condition: and

      - type: dsl
        dsl:
          - "compare_versions(version, '< 5.3.9') || compare_versions(version, '>= 5.4.0', '< 5.4.10') || compare_versions(version, '>= 5.5.0', '< 5.5.8')"

      - type: status
        status:
          - 200

CVE-2024-57728.yaml on GitHub

Suricata rules (network detection)

1 rule that alert on traffic matching this exploit: VEDAS CVE-2024-57728 SimpleHelp remote support - Link Following. Add them to your Suricata rule set and reload.

Show the rules

suricata

alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2024-57728 SimpleHelp remote support - Link Following"; flow:established,to_server; http.uri; content:"/allversions"; nocase; fast_pattern; classtype:web-application-attack; reference:cve,CVE-2024-57728; reference:url,https://www.exploit.observer/?keyword=CVE-2024-57728&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=simplehelp&match=exact; sid:1009569; rev:1;)

CVE-2024-57728.rules on GitHub

References

Exploits and technical analysis

https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-dragonforce (third-party-advisory)
https://www.microsoft.com/en-us/security/blog/2026/04/06/storm-1175-focuses-gaze-on-vulnerable-web-facing-assets-in-high-tempo-medusa-ransomware-operations/ (third-party-advisory)

Government sources

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-57728 (government-resource)

Other references

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.